path: root/doc/rfc/rfc2300.txt

Network Working Group                        Internet Architecture Board
Request for Comments: 2300                             J. Postel, Editor
Obsoletes: 2200, 2000, 1920, 1880, 1800,                        May 1998
1780, 1720, 1610, 1600, 1540, 1500, 1410,
1360, 1280, 1250, 1200, 1140, 1130, 1100, 1083
STD: 1
Category: Standards Track


                  INTERNET OFFICIAL PROTOCOL STANDARDS


Status of this Memo

   This memo describes the state of standardization of protocols used in
   the Internet as determined by the Internet Architecture Board (IAB).
   This memo is an Internet Standard.  Distribution of this memo is
   unlimited.

Copyright Notice

   Copyright (C) The Internet Society (1998).  All Rights Reserved.

Table of Contents

   Introduction . . . . . . . . . . . . . . . . . . . . . . . . .   2
   1.  The Standardization Process  . . . . . . . . . . . . . . .   3
   2.  The Request for Comments Documents . . . . . . . . . . . .   5
   3.  Other Reference Documents  . . . . . . . . . . . . . . . .   6
   3.1.  Assigned Numbers . . . . . . . . . . . . . . . . . . . .   6
   3.2.  Gateway Requirements . . . . . . . . . . . . . . . . . .   6
   3.3.  Host Requirements  . . . . . . . . . . . . . . . . . . .   6
   3.4.  The MIL-STD Documents  . . . . . . . . . . . . . . . . .   6
   4.  Explanation of Terms . . . . . . . . . . . . . . . . . . .   7
   4.1.  Definitions of Protocol State (Maturity Level) . . . . .   8
   4.1.1.  Standard Protocol  . . . . . . . . . . . . . . . . . .   8
   4.1.2.  Draft Standard Protocol  . . . . . . . . . . . . . . .   8
   4.1.3.  Proposed Standard Protocol . . . . . . . . . . . . . .   8
   4.1.4.  Experimental Protocol  . . . . . . . . . . . . . . . .   8
   4.1.5.  Informational Protocol . . . . . . . . . . . . . . . .   9
   4.1.6.  Historic Protocol  . . . . . . . . . . . . . . . . . .   9
   4.2.  Definitions of Protocol Status (Requirement Level) . . .   9
   4.2.1.  Required Protocol  . . . . . . . . . . . . . . . . . .   9
   4.2.2.  Recommended Protocol . . . . . . . . . . . . . . . . .   9
   4.2.3.  Elective Protocol  . . . . . . . . . . . . . . . . . .   9
   4.2.4.  Limited Use Protocol . . . . . . . . . . . . . . . . .   9
   4.2.5.  Not Recommended Protocol . . . . . . . . . . . . . . .   9
   5.  The Standards Track  . . . . . . . . . . . . . . . . . . .  10



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   5.1.  The RFC Processing Decision Table  . . . . . . . . . . .  10
   5.2.  The Standards Track Diagram  . . . . . . . . . . . . . .  11
   6.  The Protocols  . . . . . . . . . . . . . . . . . . . . . .  13
   6.1.  Recent Changes . . . . . . . . . . . . . . . . . . . . .  13
   6.1.1.  New RFCs . . . . . . . . . . . . . . . . . . . . . . .  13
   6.1.2.  Other Changes  . . . . . . . . . . . . . . . . . . . .  33
   6.2.  Standard Protocols . . . . . . . . . . . . . . . . . . .  34
   6.3.  Network-Specific Standard Protocols  . . . . . . . . . .  36
   6.4.  Draft Standard Protocols . . . . . . . . . . . . . . . .  37
   6.5.  Proposed Standard Protocols  . . . . . . . . . . . . . .  39
   6.6.  Telnet Options . . . . . . . . . . . . . . . . . . . . .  46
   6.7.  Experimental Protocols . . . . . . . . . . . . . . . . .  47
   6.8.  Informational Protocols  . . . . . . . . . . . . . . . .  50
   6.9.  Historic Protocols . . . . . . . . . . . . . . . . . . .  52
   6.10  Obsolete Protocols . . . . . . . . . . . . . . . . . . .  53
   7.  Contacts . . . . . . . . . . . . . . . . . . . . . . . . .  54
   7.1.  IAB, IETF, and IRTF Contacts . . . . . . . . . . . . . .  54
   7.1.1.  Internet Architecture Board (IAB) Contact  . . . . . .  54
   7.1.2.  Internet Engineering Task Force (IETF) Contact . . . .  54
   7.1.3.  Internet Research Task Force (IRTF) Contact  . . . . .  55
   7.2.  Internet Assigned Numbers Authority (IANA) Contact . . .  56
   7.3.  Request for Comments Editor Contact  . . . . . . . . . .  57
   7.4.  Network Information Center Contact . . . . . . . . . . .  57
   7.5.  Sources for Requests for Comments  . . . . . . . . . . .  58
   8.  Security Considerations  . . . . . . . . . . . . . . . . .  58
   9.  Author's Address . . . . . . . . . . . . . . . . . . . . .  58
   10. Full Copyright Statement . . . . . . . . . . . . . . . . .  59

Introduction

   A discussion of the standardization process and the RFC document
   series is presented first, followed by an explanation of the terms.
   Sections 6.2 - 6.10 contain the lists of protocols in each stage of
   standardization.  Finally are pointers to references and contacts for
   further information.

   This memo is intended to be issued every one hundred RFCs; please be
   sure the copy you are reading is current.  Current copies may be
   obtained from the Requests for Comments Editor (RFC-EDITOR) or from
   the Internet Assigned Numbers Authority (IANA) (see the contact
   information at the end of this memo).

   See Section 6.1 for a description of recent changes.  In the official
   lists in sections 6.2 - 6.10, an asterisk (*) next to a protocol
   denotes that it is new to this document or has been moved from one
   protocol level to another, or differs from the previous edition of
   this document.




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1.  The Standardization Process

   The Internet Architecture Board maintains this list of documents that
   define standards for the Internet protocol suite.  See RFC-1601 for
   the charter of the IAB and RFC-1160 for an explanation of the role
   and organization of the IAB and its subsidiary groups, the Internet
   Engineering Task Force (IETF) and the Internet Research Task Force
   (IRTF).  Each of these groups has a steering group called the IESG
   and IRSG, respectively.  The IETF develops these standards with the
   goal of co-ordinating the evolution of the Internet protocols; this
   co-ordination has become quite important as the Internet protocols
   are increasingly in general commercial use.  The definitive
   description of the Internet standards process is found in RFC-1602.

   The majority of Internet protocol development and standardization
   activity takes place in the working groups of the IETF.

   Protocols which are to become standards in the Internet go through a
   series of states or maturity levels (proposed standard, draft
   standard, and standard) involving increasing amounts of scrutiny and
   testing.  When a protocol completes this process it is assigned a STD
   number (see RFC-1311).  At each step, the Internet Engineering
   Steering Group (IESG) of the IETF must make a recommendation for
   advancement of the protocol.

   To allow time for the Internet community to consider and react to
   standardization proposals, a minimum delay of 6 months before a
   proposed standard can be advanced to a draft standard and 4 months
   before a draft standard can be promoted to standard.

   It is general practice that no proposed standard can be promoted to
   draft standard without at least two independent implementations (and
   the recommendation of the IESG).  Promotion from draft standard to
   standard generally requires operational experience and demonstrated
   interoperability of two or more implementations (and the
   recommendation of the IESG).

   In cases where there is uncertainty as to the proper decision
   concerning a protocol a special review committee may be appointed
   consisting of experts from the IETF, IRTF and the IAB with the
   purpose of recommending an explicit action.

   Advancement of a protocol to proposed standard is an important step
   since it marks a protocol as a candidate for eventual standardization
   (it puts the protocol "on the standards track").  Advancement to
   draft standard is a major step which warns the community that, unless
   major objections are raised or flaws are discovered, the protocol is
   likely to be advanced to standard.



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   Some protocols have been superseded by better ones or are otherwise
   unused.  Such protocols are still documented in this memorandum with
   the designation "historic".

   Because it is useful to document the results of early protocol
   research and development work, some of the RFCs document protocols
   which are still in an experimental condition.  The protocols are
   designated "experimental" in this memorandum.  They appear in this
   report as a convenience to the community and not as evidence of their
   standardization.

   Other protocols, such as those developed by other standards
   organizations, or by particular vendors, may be of interest or may be
   recommended for use in the Internet.  The specifications of such
   protocols may be published as RFCs for the convenience of the
   Internet community.  These protocols are labeled "informational" in
   this memorandum.

   In addition to the working groups of the IETF, protocol development
   and experimentation may take place as a result of the work of the
   research groups of the Internet Research Task Force, or the work of
   other individuals interested in Internet protocol development.  The
   the documentation of such experimental work in the RFC series is
   encouraged, but none of this work is considered to be on the track
   for standardization until the IESG has made a recommendation to
   advance the protocol to the proposed standard state.

   A few protocols have achieved widespread implementation without the
   approval of the IESG.  For example, some vendor protocols have become
   very important to the Internet community even though they have not
   been recommended by the IESG.  However, the IAB strongly recommends
   that the standards process be used in the evolution of the protocol
   suite to maximize interoperability (and to prevent incompatible
   protocol requirements from arising).  The use of the terms
   "standard", "draft standard", and "proposed standard" are reserved in
   any RFC or other publication of Internet protocols to only those
   protocols which the IESG has approved.

   In addition to a state (like "Proposed Standard"), a protocol is also
   assigned a status, or requirement level, in this document.  The
   possible requirement levels ("Required", "Recommended", "Elective",
   "Limited Use", and "Not Recommended") are defined in Section 4.2.
   When a protocol is on the standards track, that is in the proposed
   standard, draft standard, or standard state (see Section 5), the
   status shown in Section 6 is the current status.

   Few protocols are required to be implemented in all systems; this is
   because there is such a variety of possible systems, for example,



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   gateways, routers, terminal servers, workstations, and multi-user
   hosts.  The requirement level shown in this document is only a one
   word label, which may not be sufficient to characterize the
   implementation requirements for a protocol in all situations.  For
   some protocols, this document contains an additional status paragraph
   (an applicability statement).  In addition, more detailed status
   information may be contained in separate requirements documents (see
   Section 3).

2.  The Request for Comments Documents

   The documents called Request for Comments (or RFCs) are the working
   notes of the "Network Working Group", that is the Internet research
   and development community.  A document in this series may be on
   essentially any topic related to computer communication, and may be
   anything from a meeting report to the specification of a standard.

   Notice:

      All standards are published as RFCs, but not all RFCs specify
      standards.

   Anyone can submit a document for publication as an RFC.  Submissions
   must be made via electronic mail to the RFC Editor (see the contact
   information at the end of this memo, and see RFC 2223).

   While RFCs are not refereed publications, they do receive technical
   review from the task forces, individual technical experts, or the RFC
   Editor, as appropriate.

   The RFC series comprises a wide range of documents, ranging from
   informational documents of general interests to specifications of
   standard Internet protocols.  In cases where submission is intended
   to document a proposed standard, draft standard, or standard
   protocol, the RFC Editor will publish the document only with the
   approval of the IESG.  For documents describing experimental work,
   the RFC Editor will notify the IESG before publication, allowing for
   the possibility of review by the relevant IETF working group or IRTF
   research group and provide those comments to the author.  See Section
   5.1 for more detail.

   Once a document is assigned an RFC number and published, that RFC is
   never revised or re-issued with the same number.  There is never a
   question of having the most recent version of a particular RFC.
   However, a protocol (such as File Transfer Protocol (FTP)) may be
   improved and re-documented many times in several different RFCs.  It
   is important to verify that you have the most recent RFC on a
   particular protocol.  This "Internet Official Protocol Standards"



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   memo is the reference for determining the correct RFC for the current
   specification of each protocol.

   The RFCs are available from the RFC-EDITOR, and a number of other
   sites.  For more information about obtaining RFCs, see Sections 7.4
   and 7.5.

3.  Other Reference Documents

   There are three other reference documents of interest in checking the
   current status of protocol specifications and standardization.  These
   are the Assigned Numbers, the Gateway Requirements, and the Host
   Requirements.  Note that these documents are revised and updated at
   different times; in case of differences between these documents, the
   most recent must prevail.

   Also, one should be aware of the MIL-STD publications on IP, TCP,
   Telnet, FTP, and SMTP.  These are described in Section 3.4.

3.1.  Assigned Numbers

   The "Assigned Numbers" document lists the assigned values of the
   parameters used in the various protocols.  For example, IP protocol
   codes, TCP port numbers, Telnet Option Codes, ARP hardware types, and
   Terminal Type names.  Assigned Numbers was most recently issued as
   RFC-1700.

3.2.  Requirements for IP Version 4 Routers

   This document reviews the specifications that apply to gateways and
   supplies guidance and clarification for any ambiguities.
   Requirements for IP Version 4 Routers is RFC-1812.

3.3.  Host Requirements

   This pair of documents reviews and updates the specifications that
   apply to hosts, and it supplies guidance and clarification for any
   ambiguities.  Host Requirements was issued as RFC-1122 and RFC-1123.

3.4.  The MIL-STD Documents

   The DoD MIL-STD Internet specifications are out of date and have been
   discontinued.  The DoD's Joint Technical Architecture (JTA) lists the
   current set of IETF STDs and RFCs that the DoD intends to use in all
   new and upgraded Command, Control, Communications, Computers, and
   Intelligence (C4I) acquisitions.  A copy of the JTA can be obtained
   from http://www-jta.itsi.disa.mil.




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4.  Explanation of Terms

   There are two independent categorization of protocols.  The first is
   the "maturity level" or STATE of standardization, one of "standard",
   "draft standard", "proposed standard", "experimental",
   "informational" or "historic".  The second is the "requirement level"
   or STATUS of this protocol, one of "required", "recommended",
   "elective", "limited use", or "not recommended".

   The status or requirement level is difficult to portray in a one word
   label.  These status labels should be considered only as an
   indication, and a further description, or applicability statement,
   should be consulted.

   When a protocol is advanced to proposed standard or draft standard,
   it is labeled with a current status.

   At any given time a protocol occupies a cell of the following matrix.
   Protocols are likely to be in cells in about the following
   proportions (indicated by the relative number of Xs).  A new protocol
   is most likely to start in the (proposed standard, elective) cell, or
   the (experimental, limited use) cell.

                             S T A T U S
                     Req   Rec   Ele   Lim   Not
                   +-----+-----+-----+-----+-----+
           Std     |  X  | XXX | XXX |     |     |
       S           +-----+-----+-----+-----+-----+
           Draft   |  X  |  X  | XXX |     |     |
       T           +-----+-----+-----+-----+-----+
           Prop    |     |  X  | XXX |     |     |
       A           +-----+-----+-----+-----+-----+
           Info    |     |     |     |     |     |
       T           +-----+-----+-----+-----+-----+
           Expr    |     |     |     | XXX |     |
       E           +-----+-----+-----+-----+-----+
           Hist    |     |     |     |     | XXX |
                   +-----+-----+-----+-----+-----+

   What is a "system"?

      Some protocols are particular to hosts and some to gateways; a few
      protocols are used in both.  The definitions of the terms below
      will refer to a "system" which is either a host or a gateway (or
      both).  It should be clear from the context of the particular
      protocol which types of systems are intended.





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4.1.  Definitions of Protocol State

   Every protocol listed in this document is assigned to a "maturity
   level" or STATE of standardization: "standard", "draft standard",
   "proposed standard", "experimental", or "historic".

   4.1.1.  Standard Protocol

      The IESG has established this as an official standard protocol for
      the Internet.  These protocols are assigned STD numbers (see RFC-
      1311).  These are separated into two groups: (1) IP protocol and
      above, protocols that apply to the whole Internet; and (2)
      network-specific protocols, generally specifications of how to do
      IP on particular types of networks.

   4.1.2.  Draft Standard Protocol

      The IESG is actively considering this protocol as a possible
      Standard Protocol.  Substantial and widespread testing and comment
      are desired.  Comments and test results should be submitted to the
      IESG.  There is a possibility that changes will be made in a Draft
      Standard Protocol before it becomes a Standard Protocol.

   4.1.3.  Proposed Standard Protocol

      These are protocol proposals that may be considered by the IESG
      for standardization in the future.  Implementation and testing by
      several groups is desirable.  Revision of the protocol
      specification is likely.

   4.1.4.  Experimental Protocol

      A system should not implement an experimental protocol unless it
      is participating in the experiment and has coordinated its use of
      the protocol with the developer of the protocol.

      Typically, experimental protocols are those that are developed as
      part of an ongoing research project not related to an operational
      service offering.  While they may be proposed as a service
      protocol at a later stage, and thus become proposed standard,
      draft standard, and then standard protocols, the designation of a
      protocol as experimental may sometimes be meant to suggest that
      the protocol, although perhaps mature, is not intended for
      operational use.







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   4.1.5.  Informational Protocol

      Protocols developed by other standard organizations, or vendors,
      or that are for other reasons outside the purview of the IESG, may
      be published as RFCs for the convenience of the Internet community
      as informational protocols.

   4.1.6.  Historic Protocol

      These are protocols that are unlikely to ever become standards in
      the Internet either because they have been superseded by later
      developments or due to lack of interest.

4.2.  Definitions of Protocol Status

      This document lists a "requirement level" or STATUS for each
      protocol.  The status is one of "required", "recommended",
      "elective", "limited use", or "not recommended".

   4.2.1.  Required Protocol

      A system must implement the required protocols.

   4.2.2.  Recommended Protocol

      A system should implement the recommended protocols.

   4.2.3.  Elective Protocol

      A system may or may not implement an elective protocol. The
      general notion is that if you are going to do something like this,
      you must do exactly this.  There may be several elective protocols
      in a general area, for example, there are several electronic mail
      protocols, and several routing protocols.

   4.2.4.  Limited Use Protocol

      These protocols are for use in limited circumstances.  This may be
      because of their experimental state, specialized nature, limited
      functionality, or historic state.

   4.2.5.  Not Recommended Protocol

      These protocols are not recommended for general use.  This may be
      because of their limited functionality, specialized nature, or
      experimental or historic state.





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5.  The Standards Track

   This section discusses in more detail the procedures used by the RFC
   Editor and the IESG in making decisions about the labeling and
   publishing of protocols as standards.

5.1.  The RFC Processing Decision Table

   Here is the current decision table for processing submissions by the
   RFC Editor.  The processing depends on who submitted it, and the
   status they want it to have.

      +==========================================================+
      |**************|               S O U R C E                 |
      +==========================================================+
      | Desired      |    IAB   |   IESG   |   IRSG   |  Other   |
      | Status       |          |          |          |          |
      +==========================================================+
      |              |          |          |          |          |
      | Standard     |  Bogus   |  Publish |  Bogus   |  Bogus   |
      | or           |   (2)    |   (1)    |   (2)    |   (2)    |
      | Draft        |          |          |          |          |
      | Standard     |          |          |          |          |
      +--------------+----------+----------+----------+----------+
      |              |          |          |          |          |
      |              |  Refer   |  Publish |  Refer   |  Refer   |
      | Proposed     |   (3)    |   (1)    |   (3)    |   (3)    |
      | Standard     |          |          |          |          |
      |              |          |          |          |          |
      +--------------+----------+----------+----------+----------+
      |              |          |          |          |          |
      |              |  Notify  |  Publish |  Notify  |  Notify  |
      | Experimental |   (4)    |   (1)    |   (4)    |   (4)    |
      | Protocol     |          |          |          |          |
      |              |          |          |          |          |
      +--------------+----------+----------+----------+----------+
      |              |          |          |          |          |
      | Information  |  Publish |  Publish |Discretion|Discretion|
      | or Opinion   |   (1)    |   (1)    |   (5)    |   (5)    |
      | Paper        |          |          |          |          |
      |              |          |          |          |          |
      +==========================================================+

      (1) Publish.

      (2) Bogus.  Inform the source of the rules.  RFCs specifying
          Standard, or Draft Standard must come from the IESG, only.




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      (3) Refer to an Area Director for review by a WG.  Expect to see
          the document again only after approval by the IESG.

      (4) Notify both the IESG and IRSG.  If no concerns are raised in
          two weeks then do Discretion (5), else RFC Editor to resolve
          the concerns or do Refer (3).

      (5) RFC Editor's discretion.  The RFC Editor decides if a review
          is needed and if so by whom.  RFC Editor decides to publish or
          not.

   Of course, in all cases the RFC Editor can request or make minor
   changes for style, format, and presentation purposes.

   The IESG has designated the IESG Secretary as its agent for
   forwarding documents with IESG approval and for registering concerns
   in response to notifications (4) to the RFC Editor.  Documents from
   Area Directors or Working Group Chairs may be considered in the same
   way as documents from "other".

5.2.  The Standards Track Diagram

   There is a part of the STATUS and STATE categorization that is called
   the standards track.  Actually, only the changes of state are
   significant to the progression along the standards track, though the
   status assignments may change as well.

   The states illustrated by single line boxes are temporary states,
   those illustrated by double line boxes are long term states.  A
   protocol will normally be expected to remain in a temporary state for
   several months (minimum six months for proposed standard, minimum
   four months for draft standard).  A protocol may be in a long term
   state for many years.

   A protocol may enter the standards track only on the recommendation
   of the IESG; and may move from one state to another along the track
   only on the recommendation of the IESG.  That is, it takes action by
   the IESG to either start a protocol on the track or to move it along.

   Generally, as the protocol enters the standards track a decision is
   made as to the eventual STATUS, requirement level or applicability
   (elective, recommended, or required) the protocol will have, although
   a somewhat less stringent current status may be assigned, and it then
   is placed in the the proposed standard STATE with that status.  So
   the initial placement of a protocol is into state 1.  At any time the
   STATUS decision may be revisited.





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         |
         +<----------------------------------------------+
         |                                               ^
         V    0                                          |    4
   +-----------+                                   +===========+
   |   enter   |-->----------------+-------------->|experiment |
   +-----------+                   |               +=====+=====+
                                   |                     |
                                   V    1                |
                             +-----------+               V
                             | proposed  |-------------->+
                        +--->+-----+-----+               |
                        |          |                     |
                        |          V    2                |
                        +<---+-----+-----+               V
                             | draft std |-------------->+
                        +--->+-----+-----+               |
                        |          |                     |
                        |          V    3                |
                        +<---+=====+=====+               V
                             | standard  |-------------->+
                             +=====+=====+               |
                                                         |
                                                         V    5
                                                   +=====+=====+
                                                   | historic  |
                                                   +===========+

   The transition from proposed standard (1) to draft standard (2) can
   only be by action of the IESG and only after the protocol has been
   proposed standard (1) for at least six months.

   The transition from draft standard (2) to standard (3) can only be by
   action of the IESG and only after the protocol has been draft
   standard (2) for at least four months.

   Occasionally, the decision may be that the protocol is not ready for
   standardization and will be assigned to the experimental state (4).
   This is off the standards track, and the protocol may be resubmitted
   to enter the standards track after further work.  There are other
   paths into the experimental and historic states that do not involve
   IESG action.

   Sometimes one protocol is replaced by another and thus becomes
   historic, or it may happen that a protocol on the standards track is
   in a sense overtaken by another protocol (or other events) and
   becomes historic (state 5).




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6.  The Protocols

   Subsection 6.1 lists recent RFCs and other changes.  Subsections 6.2
   - 6.10 list the standards in groups by protocol state.

6.1.  Recent Changes

6.1.1.  New RFCs:

      2352 - A Convention For Using Legal Names as Domain Names

             This is an information document and does not specify any
             level of standard.

      2351 - Mapping of Airline Reservation, Ticketing, and Messaging
             Traffic over IP

             This is an information document and does not specify any
             level of standard.

      2350 - Not yet issued.

      2349 - TFTP Timeout Interval and Transfer Size Options

             A Draft Standard protocol.

      2348 - TFTP Blocksize Option

             A Draft Standard protocol.

      2347 - TFTP Option Extension

             A Draft Standard protocol.

      2346 - Making Postscript and PDF International

             This is an information document and does not specify any
             level of standard.

      2345 - Domain Names and Company Name Retrieval

             An Experimental protocol.

      2344 - Reverse Tunneling for Mobile IP

             A Proposed Standard protocol.





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RFC 2300                   Internet Standards                   May 1998


      2343 - RTP Payload Format for Bundled MPEG

             An Experimental protocol.

      2342 - IMAP4 Namespace

             A Proposed Standard protocol.

      2341 - Cisco Layer Two Forwarding (Protocol) "L2F"

             A Historic protocol.

      2340 - Not yet issued.

      2339 - An Agreement Between the Internet Society, the IETF, and
             Sun Microsystems, Inc.  in the matter of NFS V.4 Protocols

             This is an information document and does not specify any
             level of standard.

      2338 - Virtual Router Redundancy Protocol

             A Proposed Standard protocol.

      2337 - Intra-LIS IP multicast among routers over ATM using Sparse
             Mode PIM

             An Experimental protocol.

      2336 - Not yet issued.

      2335 - A Distributed NHRP Service Using SCSP

             A Proposed Standard protocol.

      2334 - Server Cache Synchronization Protocol (SCSP)

             A Proposed Standard protocol.

      2333 - NHRP Protocol Applicability Statement

             A Proposed Standard protocol.

      2332 - NBMA Next Hop Resolution Protocol (NHRP)

             A Proposed Standard protocol.





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RFC 2300                   Internet Standards                   May 1998


      2331 - ATM Signalling Support for IP over ATM - UNI Signalling 4.0
             Update

             A Proposed Standard protocol.

      2330 - Framework for IP Performance Metrics

             This is an information document and does not specify any
             level of standard.

      2329 - OSPF Standardization Report

             This is an information document and does not specify any
             level of standard.

      2328 - OSPF Version 2

             A Standard protocol.

      2327 - SDP: Session Description Protocol

             A Proposed Standard protocol.

      2326 - Real Time Streaming Protocol (RTSP)

             A Proposed Standard protocol.

      2325 - Definitions of Managed Objects for Drip-Type Heated
             Beverage Hardware Devices using SMIv2

             This is an information document and does not specify any
             level of standard.

      2324 - Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)

             This is an information document and does not specify any
             level of standard.

      2323 - IETF Identification and Security Guidelines

             This is an information document and does not specify any
             level of standard.

      2322 - Management of IP numbers by peg-dhcp

             This is an information document and does not specify any
             level of standard.




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RFC 2300                   Internet Standards                   May 1998


      2321 - RITA -- The Reliable Internetwork Troubleshooting Agent

             This is an information document and does not specify any
             level of standard.

      2320 - Definitions of Managed Objects for Classical IP and ARP
             Over ATM Using SMIv2 (IPOA-MIB)

             A Proposed Standard protocol.

      2319 - Ukrainian Character Set KOI8-U

             This is an information document and does not specify any
             level of standard.

      2318 - The text/css Media Type

             This is an information document and does not specify any
             level of standard.

      2317 - Classless IN-ADDR.ARPA delegation

             This is a Best Current Practices document and does not
             specify any level of standard.

      2316 - Report of the IAB Security Architecture Workshop

             This is an information document and does not specify any
             level of standard.

      2315 - PKCS #7: Cryptographic Message Syntax Version 1.5

             This is an information document and does not specify any
             level of standard.

      2314 - PKCS #10: Certification Request Syntax Version 1.5

             This is an information document and does not specify any
             level of standard.

      2313 - PKCS #1: RSA Encryption Version 1.5

             This is an information document and does not specify any
             level of standard.







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RFC 2300                   Internet Standards                   May 1998


      2312 - S/MIME Version 2 Certificate Handling

             This is an information document and does not specify any
             level of standard.

      2311 - S/MIME Version 2 Message Specification

             This is an information document and does not specify any
             level of standard.

      2310 - The Safe Response Header Field

             An Experimental protocol.

      2309 - Recommendations on Queue Management and Congestion
             Avoidance in the Internet

             This is an information document and does not specify any
             level of standard.

      2308 - Negative Caching of DNS Queries (DNS NCACHE)

             A Proposed Standard protocol.

      2307 - An Approach for Using LDAP as a Network Information Service

             An Experimental protocol.

      2306 - Tag Image File Format (TIFF) - F Profile for Facsimile

             This is an information document and does not specify any
             level of standard.

      2305 - A Simple Mode of Facsimile Using Internet Mail

             A Proposed Standard protocol.

      2304 - Minimal FAX address format in Internet Mail

             A Proposed Standard protocol.

      2303 - Minimal PSTN address format in Internet Mail

             A Proposed Standard protocol.







Internet Architecture Board Standards Track                    [Page 17]
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RFC 2300                   Internet Standards                   May 1998


      2302 - Tag Image File Format (TIFF) - image/tiff MIME Sub-type
             Registration

             A Proposed Standard protocol.

      2301 - File Format for Internet Fax

             A Proposed Standard protocol.

      2300 - This memo.

      2299 - Not yet issued.

      2298 - An Extensible Message Format for Message Disposition
             Notifications

             A Proposed Standard protocol.

      2297 - Ipsilon's General Switch Management Protocol Specification
             Version 2.0

             This is an information document and does not specify any
             level of standard.

      2296 - HTTP Remote Variant Selection Algorithm -- RVSA/1.0

             An Experimental protocol.

      2295 - Transparent Content Negotiation in HTTP

             An Experimental protocol.

      2294 - Representing the O/R Address hierarchy in the X.500
             Directory Information Tree

             A Proposed Standard protocol.

      2293 - Representing Tables and Subtrees in the X.500 Directory

             A Proposed Standard protocol.

      2292 - Advanced Sockets API for IPv6

             This is an information document and does not specify any
             level of standard.






Internet Architecture Board Standards Track                    [Page 18]
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RFC 2300                   Internet Standards                   May 1998


      2291 - Requirements for a Distributed Authoring and Versioning
             Protocol for the World Wide Web

             This is an information document and does not specify any
             level of standard.

      2290 - Mobile-IPv4 Configuration Option for PPP IPCP

             A Proposed Standard protocol.

      2289 - A One-Time Password System

             A Draft Standard protocol.

      2288 - Using Existing Bibliographic Identifiers as Uniform
             Resource Names

             This is an information document and does not specify any
             level of standard.

      2287 - Definitions of System-Level Managed Objects for
             Applications

             A Proposed Standard protocol.

      2286 - Test Cases for HMAC-RIPEMD160 and HMAC-RIPEMD128

             This is an information document and does not specify any
             level of standard.

      2285 - Benchmarking Terminology for LAN Switching Devices

             This is an information document and does not specify any
             level of standard.

      2284 - PPP Extensible Authentication Protocol (EAP)

             A Proposed Standard protocol.

      2283 - Multiprotocol Extensions for BGP-4

             A Proposed Standard protocol.

      2282 - IAB and IESG Selection, Confirmation, and Recall Process:
             Operation of the Nominating and Recall Committees

             This is a Best Current Practices document and does not
             specify any level of standard.



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RFC 2300                   Internet Standards                   May 1998


      2281 - Cisco Hot Standby Router Protocol (HSRP)

             This is an information document and does not specify any
             level of standard.

      2280 - Routing Policy Specification Language (RPSL)

             A Proposed Standard protocol.

      2279 - UTF-8, a transformation format of ISO 10646

             A Proposed Standard protocol.

      2278 - IANA Charset Registration Procedures

             This is a Best Current Practices document and does not
             specify any level of standard.

      2277 - IETF Policy on Character Sets and Languages

             This is a Best Current Practices document and does not
             specify any level of standard.

      2276 - Architectural Principles of Uniform Resource Name
             Resolution

             This is an information document and does not specify any
             level of standard.

      2275 - View-based Access Control Model (VACM) for the Simple
             Network Management Protocol (SNMP)

             A Proposed Standard protocol.

      2274 - User-based Security Model (USM) for version 3 of the Simple
             Network Management Protocol (SNMPv3)

             A Proposed Standard protocol.

      2273 - SNMPv3 Applications

             A Proposed Standard protocol.

      2272 - Message Processing and Dispatching for the Simple Network
             Management Protocol (SNMP)

             A Proposed Standard protocol.




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RFC 2300                   Internet Standards                   May 1998


      2271 - An Architecture for Describing SNMP Management Frameworks

             A Proposed Standard protocol.

      2270 - Using a Dedicated AS for Sites Homed to a Single Provider

             This is an information document and does not specify any
             level of standard.

      2269 - Using the MARS Model in non-ATM NBMA Networks

             This is an information document and does not specify any
             level of standard.

      2268 - A Description of the RC2(r) Encryption Algorithm

             This is an information document and does not specify any
             level of standard.

      2267 - Network Ingress Filtering: Defeating Denial of Service
             Attacks which employ IP Source Address Spoofing

             This is an information document and does not specify any
             level of standard.

      2266 - Definitions of Managed Objects for IEEE 802.12 Repeater
             Devices

             A Proposed Standard protocol.

      2265 - View-based Access Control Model (VACM) for the Simple
             Network Management Protocol (SNMP)

             A Proposed Standard protocol.

      2264 - User-based Security Model (USM) for version 3 of the Simple
             Network Management Protocol (SNMPv3)

             A Proposed Standard protocol.

      2263 - SNMPv3 Applications

             A Proposed Standard protocol.

      2262 - Message Processing and Dispatching for the Simple Network
             Management Protocol (SNMP)

             A Proposed Standard protocol.



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RFC 2300                   Internet Standards                   May 1998


      2261 - An Architecture for Describing SNMP Management Frameworks

             A Proposed Standard protocol.

      2260 - Scalable Support for Multi-homed Multi-provider
             Connectivity

             This is an information document and does not specify any
             level of standard.

      2259 - Simple Nomenclator Query Protocol (SNQP)

             This is an information document and does not specify any
             level of standard.

      2258 - Internet Nomenclator Project

             This is an information document and does not specify any
             level of standard.

      2257 - Agent Extensibility (AgentX) Protocol Version 1

             A Proposed Standard protocol.

      2256 - A Summary of the X.500(96) User Schema for use with LDAPv3

             A Proposed Standard protocol.

      2255 - The LDAP URL Format

             A Proposed Standard protocol.

      2254 - The String Representation of LDAP Search Filters

             A Proposed Standard protocol.

      2253 - Lightweight Directory Access Protocol (v3): UTF-8 String
             Representation of Distinguished Names

             A Proposed Standard protocol.

      2252 - Lightweight Directory Access Protocol (v3): Attribute
             Syntax Definitions

             A Proposed Standard protocol.






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RFC 2300                   Internet Standards                   May 1998


      2251 - Lightweight Directory Access Protocol (v3)

             A Proposed Standard protocol.

      2250 - RTP Payload Format for MPEG1/MPEG2 Video

             A Proposed Standard protocol.

      2249 - Mail Monitoring MIB

             A Proposed Standard protocol.

      2248 - Network Services Monitoring MIB

             A Proposed Standard protocol.

      2247 - Using Domains in LDAP/X.500 Distinguished Names

             A Proposed Standard protocol.

      2246 - Not yet issued.

      2245 - Anonymous SASL Mechanism

             A Proposed Standard protocol.

      2244 - ACAP -- Application Configuration Access Protocol

             A Proposed Standard protocol.

      2243 - OTP Extended Responses

             A Proposed Standard protocol.

      2242 - NetWare/IP Domain Name and Information

             A Proposed Standard protocol.

      2241 - DHCP Options for Novell Directory Services

             A Proposed Standard protocol.

      2240 - A Legal Basis for Domain Name Allocation

             This is an information document and does not specify any
             level of standard.





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RFC 2300                   Internet Standards                   May 1998


      2239 - Definitions of Managed Objects for IEEE 802.3 Medium
             Attachment Units (MAUs) using SMIv2

             A Proposed Standard protocol.

      2238 - Definitions of Managed Objects for HPR using SMIv2

             A Proposed Standard protocol.

      2237 - Japanese Character Encoding for Internet Messages

             This is an information document and does not specify any
             level of standard.

      2236 - Internet Group Management Protocol, Version 2

             A Proposed Standard protocol.

      2235 - Hobbes' Internet Timeline

             This is an information document and does not specify any
             level of standard.

      2234 - Augmented BNF for Syntax Specifications: ABNF

             A Proposed Standard protocol.

      2233 - The Interfaces Group MIB using SMIv2

             A Proposed Standard protocol.

      2232 - Definitions of Managed Objects for DLUR using SMIv2

             A Proposed Standard protocol.

      2231 - MIME Parameter Value and Encoded Word Extensions: Character
             Sets, Languages, and Continuations

             A Proposed Standard protocol.

      2230 - Key Exchange Delegation Record for the DNS

             This is an information document and does not specify any
             level of standard.







Internet Architecture Board Standards Track                    [Page 24]
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RFC 2300                   Internet Standards                   May 1998


      2229 - A Dictionary Server Protocol

             This is an information document and does not specify any
             level of standard.

      2228 - FTP Security Extensions

             A Proposed Standard protocol.

      2227 - Simple Hit-Metering and Usage-Limiting for HTTP

             A Proposed Standard protocol.

      2226 - IP Broadcast over ATM Networks

             A Proposed Standard protocol.

      2225 - Classical IP and ARP over ATM

             A Proposed Standard protocol.

      2224 - NFS URL Scheme

             This is an information document and does not specify any
             level of standard.

      2223 - Instructions to RFC Authors

             This is an information document and does not specify any
             level of standard.

      2222 - Simple Authentication and Security Layer (SASL)

             A Proposed Standard protocol.

      2221 - IMAP4 Login Referrals

             A Proposed Standard protocol.

      2220 - The Application/MARC Content-type

             This is an information document and does not specify any
             level of standard.

      2219 - Use of DNS Aliases for Network Services

             This is a Best Current Practices document and does not
             specify any level of standard.



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RFC 2300                   Internet Standards                   May 1998


      2218 - A Common Schema for the Internet White Pages Service

             A Proposed Standard protocol.

      2217 - Telnet Com Port Control Option

             An Experimental protocol.

      2216 - Network Element Service Specification Template

             This is an information document and does not specify any
             level of standard.

      2215 - General Characterization Parameters for Integrated Service
             Network Elements

             A Proposed Standard protocol.

      2214 - Integrated Services Management Information Base Guaranteed
             Service Extensions using SMIv2

             A Proposed Standard protocol.

      2213 - Integrated Services Management Information Base using SMIv2

             A Proposed Standard protocol.

      2212 - Specification of Guaranteed Quality of Service

             A Proposed Standard protocol.

      2211 - Specification of the Controlled-Load Network Element
             Service

             A Proposed Standard protocol.

      2210 - The Use of RSVP with IETF Integrated Services

             A Proposed Standard protocol.

      2209 - Resource ReSerVation Protocol (RSVP) -- Version 1 Message
             Processing Rules

             A Proposed Standard protocol.







Internet Architecture Board Standards Track                    [Page 26]
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RFC 2300                   Internet Standards                   May 1998


      2208 - Resource ReSerVation Protocol (RSVP) -- Version 1
             Applicability Statement Some Guidelines on Deployment

             A Proposed Standard protocol.

      2207 - RSVP Extensions for IPSEC Data Flows

             A Proposed Standard protocol.

      2206 - RSVP Management Information Base using SMIv2

             A Proposed Standard protocol.

      2205 - Resource ReSerVation Protocol (RSVP) -- Version 1
             Functional Specification

             A Proposed Standard protocol.

      2204 - ODETTE File Transfer Protocol

             This is an information document and does not specify any
             level of standard.

      2203 - RPCSEC_GSS Protocol Specification

             A Proposed Standard protocol.

      2202 - Test Cases for HMAC-MD5 and HMAC-SHA-1

             This is an information document and does not specify any
             level of standard.

      2201 - Core Based Trees (CBT) Multicast Routing Architecture

             An Experimental protocol.

      2200 - Internet Official Protocol Standards

             A Standard protocol.

      2199 - Request for Comments Summary - RFC Numbers 2100-2199

             This is an information document and does not specify any
             level of standard.

      2198 - RTP Payload for Redundant Audio Data

             A Proposed Standard protocol.



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RFC 2300                   Internet Standards                   May 1998


      2197 - SMTP Service Extension for Command Pipelining

             A Draft Standard protocol.

      2196 - Site Security Handbook

             This is an information document and does not specify any
             level of standard.

      2195 - IMAP/POP AUTHorize Extension for Simple Challenge/Response

             A Proposed Standard protocol.

      2194 - Review of Roaming Implementations

             This is an information document and does not specify any
             level of standard.

      2193 - IMAP4 Mailbox Referrals

             A Proposed Standard protocol.

      2192 - IMAP URL Scheme

             A Proposed Standard protocol.

      2191 - VENUS - Very Extensive Non-Unicast Service

             This is an information document and does not specify any
             level of standard.

      2190 - RTP Payload Format for H.263 Video Streams

             A Proposed Standard protocol.

      2189 - Core Based Trees (CBT version 2) Multicast Routing

             An Experimental protocol.

      2188 - AT&T/Neda's Efficient Short Remote Operations (ESRO)
             Protocol Specification Version 1.

             This is an information document and does not specify any
             level of standard.







Internet Architecture Board Standards Track                    [Page 28]
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RFC 2300                   Internet Standards                   May 1998


      2187 - Application of Internet Cache Protocol (ICP), version 2

             This is an information document and does not specify any
             level of standard.

      2186 - Internet Cache Protocol (ICP), version 2

             This is an information document and does not specify any
             level of standard.

      2185 - Routing Aspects of IPv6 Transition

             This is an information document and does not specify any
             level of standard.

      2184 - MIME Parameter Value and Encoded Word Extensions: Character
             Sets, Languages, and Continuations

             A Proposed Standard protocol.

      2183 - Communicating Presentation Information in Internet
             Messages: The Content-Disposition Header Field

             A Proposed Standard protocol.

      2182 - Selection and Operation of Secondary DNS Servers

             This is a Best Current Practices document and does not
             specify any level of standard.

      2181 - Clarifications to the DNS Specification

             A Proposed Standard protocol.

      2180 - IMAP4 Multi-Accessed Mailbox Practice

             This is an information document and does not specify any
             level of standard.

      2179 - Network Security For Trade Shows

             This is an information document and does not specify any
             level of standard.

      2178 - OSPF Version 2

             A Draft Standard protocol.




Internet Architecture Board Standards Track                    [Page 29]
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RFC 2300                   Internet Standards                   May 1998


      2177 - IMAP4 IDLE command

             A Proposed Standard protocol.

      2176 - IPv4 over MAPOS Version 1

             This is an information document and does not specify any
             level of standard.

      2175 - MAPOS 16 - Multiple Access Protocol over SONET/SDH with 16
             Bit Addressing

             This is an information document and does not specify any
             level of standard.

      2174 - A MAPOS version 1 Extension - Switch-Switch Protocol

             This is an information document and does not specify any
             level of standard.

      2173 - A MAPOS version 1 Extension - Node Switch Protocol

             This is an information document and does not specify any
             level of standard.

      2172 - MAPOS Version 1 Assigned Numbers

             This is an information document and does not specify any
             level of standard.

      2171 - MAPOS - Multiple Access Protocol over SONET/SDH Version 1

             This is an information document and does not specify any
             level of standard.

      2170 - Application REQuested IP over ATM (AREQUIPA)

             This is an information document and does not specify any
             level of standard.

      2169 - A Trivial Convention for using HTTP in URN Resolution

             An Experimental protocol.

      2168 - Resolution of Uniform Resource Identifiers using the Domain
             Name System

             An Experimental protocol.



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RFC 2300                   Internet Standards                   May 1998


      2167 - Referral Whois (RWhois) Protocol V1.5

             This is an information document and does not specify any
             level of standard.

      2166 - APPN Implementer's Workshop Closed Pages Document DLSw v2.0
             Enhancements

             This is an information document and does not specify any
             level of standard.

      2165 - Service Location Protocol

             A Proposed Standard protocol.

      2164 - Use of an X.500/LDAP directory to support MIXER address
             mapping

             A Proposed Standard protocol.

      2163 - Using the Internet DNS to Distribute MIXER Conformant
             Global Address Mapping (MCGAM)

             A Proposed Standard protocol.

      2162 - MaXIM-11 - Mapping between X.400 / Internet mail and
             Mail-11 mail

             An Experimental protocol.

      2161 - A MIME Body Part for ODA

             An Experimental protocol.

      2160 - Carrying PostScript in X.400 and MIME

             A Proposed Standard protocol.

      2159 - A MIME Body Part for FAX

             A Proposed Standard protocol.

      2158 - X.400 Image Body Parts

             A Proposed Standard protocol.






Internet Architecture Board Standards Track                    [Page 31]
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RFC 2300                   Internet Standards                   May 1998


      2157 - Mapping between X.400 and RFC-822/MIME Message Bodies

             A Proposed Standard protocol.

      2156 - MIXER (Mime Internet X.400 Enhanced Relay): Mapping between
             X.400 and RFC 822/MIME

             A Proposed Standard protocol.

      2155 - Definitions of Managed Objects for APPN using SMIv2

             A Proposed Standard protocol.

      2154 - OSPF with Digital Signature

             An Experimental protocol.

      2151 - A Primer On Internet and TCP/IP Tools and Utilities

             This is an information document and does not specify any
             level of standard.

      2150 - Humanities and Arts: Sharing Center Stage on the Internet

             This is an information document and does not specify any
             level of standard.

      2148 - Deployment of the Internet White Pages Service

             This is a Best Current Practices document and does not
             specify any level of standard.

      2115 - Management Information Base for Frame Relay DTEs Using
             SMIv2

             A Draft Standard protocol.

      2094 - Group Key Management Protocol (GKMP) Architecture

             An Experimental protocol.

      2093 - Group Key Management Protocol (GKMP) Specification

             An Experimental protocol.







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RFC 2300                   Internet Standards                   May 1998


6.1.2.  Other Changes:

   The following are changes to protocols listed in the previous
   edition.

      2349 - TFTP Timeout Interval and Transfer Size Options

             Elevated to Draft Standard.

      2348 - TFTP Blocksize Option

             Elevated to Draft Standard.

      2347 - TFTP Option Extension

             Elevated to Draft Standard.

      2328 - OSPF Version 2

             Elevated to Standard.

      2289 - A One-Time Password System

             Elevated to Draft Standard.

      2197 - SMTP Service Extension for Command Pipelining

             Elevated to Draft Standard.

      2115 - Management Information Base for Frame Relay DTEs Using
             SMIv2

             Elevated to Draft Standard.


















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RFC 2300                   Internet Standards                   May 1998


6.2.  Standard Protocols

Protocol   Name                                      Status    RFC STD *
========   =====================================     ======== ==== === =
--------   Internet Official Protocol Standards      Req      2300   1
--------   Assigned Numbers                          Req      1700   2
--------   Host Requirements - Communications        Req      1122   3
--------   Host Requirements - Applications          Req      1123   3
IP         Internet Protocol                         Req       791   5
            as amended by:--------
--------     IP Subnet Extension                     Req       950   5
--------     IP Broadcast Datagrams                  Req       919   5
--------     IP Broadcast Datagrams with Subnets     Req       922   5
ICMP       Internet Control Message Protocol         Req       792   5
IGMP       Internet Group Multicast Protocol         Rec      1112   5
UDP        User Datagram Protocol                    Rec       768   6
TCP        Transmission Control Protocol             Rec       793   7
TELNET     Telnet Protocol                           Rec   854,855   8
FTP        File Transfer Protocol                    Rec       959   9
SMTP       Simple Mail Transfer Protocol             Rec       821  10
SMTP-SIZE  SMTP Service Ext for Message Size         Rec      1870  10
SMTP-EXT   SMTP Service Extensions                   Rec      1869  10
MAIL       Format of Electronic Mail Messages        Rec       822  11
CONTENT    Content Type Header Field                 Rec      1049  11
NTPV2      Network Time Protocol (Version 2)         Rec      1119  12
DOMAIN     Domain Name System                        Rec 1034,1035  13
DNS-MX     Mail Routing and the Domain System        Rec       974  14
SNMP       Simple Network Management Protocol        Rec      1157  15
SMI        Structure of Management Information       Rec      1155  16
Concise-MIB Concise MIB Definitions                  Rec      1212  16
MIB-II     Management Information Base-II            Rec      1213  17
NETBIOS    NetBIOS Service Protocols                 Ele 1001,1002  19
ECHO       Echo Protocol                             Rec       862  20
DISCARD    Discard Protocol                          Ele       863  21
CHARGEN    Character Generator Protocol              Ele       864  22
QUOTE      Quote of the Day Protocol                 Ele       865  23
USERS      Active Users Protocol                     Ele       866  24
DAYTIME    Daytime Protocol                          Ele       867  25
TIME       Time Server Protocol                      Ele       868  26
TFTP       Trivial File Transfer Protocol            Ele      1350  33
TP-TCP     ISO Transport Service on top of the TCP   Ele      1006  35
ETHER-MIB  Ethernet MIB                              Ele      1643  50
PPP        Point-to-Point Protocol (PPP)             Ele      1661  51
PPP-HDLC   PPP in HDLC Framing                       Ele      1662  51
IP-SMDS    IP Datagrams over the SMDS Service        Ele      1209  52
POP3       Post Office Protocol, Version 3           Ele      1939  53
OSPF2      Open Shortest Path First Routing V2       Ele      2328  54 *




Internet Architecture Board Standards Track                    [Page 34]
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RFC 2300                   Internet Standards                   May 1998


[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

Applicability Statements:

   IGMP -- The Internet Architecture Board intends to move towards
   general adoption of IP multicasting, as a more efficient solution
   than broadcasting for many applications.  The host interface has been
   standardized in RFC-1112; however, multicast-routing gateways are in
   the experimental stage and are not widely available.  An Internet
   host should support all of RFC-1112, except for the IGMP protocol
   itself which is optional; see RFC-1122 for more details.  Even
   without IGMP, implementation of RFC-1112 will provide an important
   advance: IP-layer access to local network multicast addressing.  It
   is expected that IGMP will become recommended for all hosts and
   gateways at some future date.

   SMI, MIB-II SNMP -- The Internet Architecture Board recommends that
   all IP and TCP implementations be network manageable.  At the current
   time, this implies implementation of the Internet MIB-II (RFC-1213),
   and at least the recommended management protocol SNMP (RFC-1157).

   RIP -- The Routing Information Protocol (RIP) is widely implemented
   and used in the Internet.  However, both implementors and users
   should be aware that RIP has some serious technical limitations as a
   routing protocol.  The IETF is currently devpeloping several
   candidates for a new standard "open" routing protocol with better
   properties than RIP.  The IAB urges the Internet community to track
   these developments, and to implement the new protocol when it is
   standardized; improved Internet service will result for many users.

   TP-TCP -- As OSI protocols become more widely implemented and used,
   there will be an increasing need to support interoperation with the
   TCP/IP protocols.  The Internet Engineering Task Force is formulating
   strategies for interoperation.  RFC-1006 provides one interoperation
   mode, in which TCP/IP is used to emulate TP0 in order to support OSI
   applications.  Hosts that wish to run OSI connection-oriented
   applications in this mode should use the procedure described in RFC-
   1006.  In the future, the IAB expects that a major portion of the
   Internet will support both TCP/IP and OSI (inter-)network protocols
   in parallel, and it will then be possible to run OSI applications
   across the Internet using full OSI protocol "stacks".

   OSPF -- RFC 1370 is an applicability statement for OSPF.







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RFC 2300                   Internet Standards                   May 1998


6.3.  Network-Specific Standard Protocols

All Network-Specific Standards have Elective status.

Protocol   Name                                    State    RFC   STD *
========   =====================================   =====   =====  === =
IP-ATM     Classical IP and ARP over ATM            Prop   2225       *
IP-FR      Multiprotocol over Frame Relay           Draft  1490
ATM-ENCAP  Multiprotocol Encapsulation over ATM     Prop   1483
IP-TR-MC   IP Multicast over Token-Ring LANs        Prop   1469
IP-FDDI    Transmission of IP and ARP over FDDI Net Std    1390    36
IP-X.25    X.25 and ISDN in the Packet Mode         Draft  1356
ARP        Address Resolution Protocol              Std     826    37
RARP       A Reverse Address Resolution Protocol    Std     903    38
IP-ARPA    Internet Protocol on ARPANET             Std BBN1822    39
IP-WB      Internet Protocol on Wideband Network    Std     907    40
IP-E       Internet Protocol on Ethernet Networks   Std     894    41
IP-EE      Internet Protocol on Exp. Ethernet Nets  Std     895    42
IP-IEEE    Internet Protocol on IEEE 802            Std    1042    43
IP-DC      Internet Protocol on DC Networks         Std     891    44
IP-HC      Internet Protocol on Hyperchannel        Std    1044    45
IP-ARC     Transmitting IP Traffic over ARCNET Nets Std    1201    46
IP-SLIP    Transmission of IP over Serial Lines     Std    1055    47
IP-NETBIOS Transmission of IP over NETBIOS          Std    1088    48
IP-IPX     Transmission of 802.2 over IPX Networks  Std    1132    49
IP-HIPPI   IP over HIPPI                            Draft  2067

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

Applicability Statements:

   It is expected that a system will support one or more physical
   networks and for each physical network supported the appropriate
   protocols from the above list must be supported.  That is, it is
   elective to support any particular type of physical network, and for
   the physical networks actually supported it is required that they be
   supported exactly according to the protocols in the above list.  See
   also the Host and Gateway Requirements RFCs for more specific
   information on network-specific ("link layer") protocols.











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RFC 2300                   Internet Standards                   May 1998


6.4.  Draft Standard Protocols

Protocol   Name                                     Status          RFC
========   =====================================    ============== =====
TFTP-Opt   TFTP Options                             Elective       2349*
TFTP-Blk   TFTP Blocksize Option                    Elective       2348*
TFTP-Ext   TFTP Option Extension                    Elective       2347*
ONE-PASS   One-Time Password System                 Elective       2289*
SMTP-Pipe  SMTP Serv. Ext. for Command Pipelining   Elective       2197*
BOOTP      DHCP Options and BOOTP Extensions        Recommended    2132
DHCP       Dynamic Host Configuration Protocol      Elective       2131
FRAME-MIB  Management Information Base for Frame    Elective       2115*
-------    Clarifications and Extensions BOOTP      Elective       1542
DHCP-BOOTP Interoperation Between DHCP and BOOTP    Elective       1534
BOOTP      Bootstrap Protocol                      Recommended 951,1497
MIME-CONF  MIME Conformance Criteria                Elective       2049
MIME-MSG   MIME Msg Header Ext for Non-ASCII        Elective       2047
MIME-MEDIA MIME Media Types                         Elective       2046
MIME       Multipurpose Internet Mail Extensions    Elective       2045
PPP-CHAP   PPP Challenge Handshake Authentication   Elective       1994
PPP-MP     PPP Multilink Protocol                   Elective       1990
PPP-LINK   PPP Link Quality Monitoring              Elective       1989
COEX-MIB   Coexistence between SNMPV1 & SNMPV2      Elective       1908
SNMPv2-MIB MIB for SNMPv2                           Elective       1907
TRANS-MIB  Transport Mappings for SNMPv2            Elective       1906
OPS-MIB    Protocol Operations for SNMPv2           Elective       1905
CONF-MIB   Conformance Statements for SNMPv2        Elective       1904
CONV-MIB   Textual Conventions for SNMPv2           Elective       1903
SMIV2      SMI for SNMPv2                           Elective       1902
CON-MD5    Content-MD5 Header Field                 Elective       1864
OSPF-MIB   OSPF Version 2 MIB                       Elective       1850
STR-REP    String Representation ...                Elective       1779
X.500syn   X.500 String Representation ...          Elective       1778
X.500lite  X.500 Lightweight ...                    Elective       1777
BGP-4-APP  Application of BGP-4                     Elective       1772
BGP-4      Border Gateway Protocol 4                Elective       1771
PPP-DNCP   PPP DECnet Phase IV Control Protocol     Elective       1762
RMON-MIB   Remote Network Monitoring MIB            Elective       1757
802.5-MIB  IEEE 802.5 Token Ring MIB                Elective       1748
RIP2-MIB   RIP Version 2 MIB Extension              Elective       1724
RIP2       RIP Version 2-Carrying Additional Info.  Elective       1723
RIP2-APP   RIP Version 2 Protocol App. Statement    Elective       1722
SIP-MIB    SIP Interface Type MIB                   Elective       1694
-------    Def Man Objs Parallel-printer-like       Elective       1660
-------    Def Man Objs RS-232-like                 Elective       1659
-------    Def Man Objs Character Stream            Elective       1658
BGP-4-MIB  BGP-4 MIB                                Elective       1657
SMTP-8BIT  SMTP Service Ext or 8bit-MIMEtransport   Elective       1652



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RFC 2300                   Internet Standards                   May 1998


OSI-NSAP   Guidelines for OSI NSAP Allocation       Elective       1629
ISO-TS-ECHO Echo for ISO-8473                       Elective       1575
DECNET-MIB DECNET MIB                               Elective       1559
BRIDGE-MIB BRIDGE-MIB                               Elective       1493
NTPV3      Network Time Protocol (Version 3)        Elective       1305
IP-MTU     Path MTU Discovery                       Elective       1191
FINGER     Finger Protocol                          Elective       1288
NICNAME    WhoIs Protocol                           Elective        954

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

Applicability Statements:

   PPP -- Point to Point Protocol is a method of sending IP over serial
   lines, which are a type of physical network.  It is anticipated that
   PPP will be advanced to the network-specifics standard protocol state
   in the future.

































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RFC 2300                   Internet Standards                   May 1998


6.5.  Proposed Standard Protocols

Protocol   Name                                     Status          RFC
========   =====================================    ============== =====
MOBILIPREV Reverse Tunneling for Mobile IP          Elective       2344*
IMAP4NAME  IMAP4 Namespace                          Elective       2342*
VRRP       Virtual Router Redundancy Protocol       Elective       2338*
NHRP-SCSP  Distributed NHRP Service Using SCSP      Elective       2335*
SCSP       Server Cache Synchronization Protocol    Elective       2334*
NHRP-APP   NHRP Protocol Applicability Statement    Elective       2333*
NHRP       NBMA Next Hop Resolution Protocol        Elective       2332*
UNI-SIG    ATM Sig Support (IPOA) UNI Signalling    Elective       2331*
SDP        Session Description Protocol             Elective       2327*
RTSP       Real Time Streaming Protocol             Elective       2326*
IPOA-MIB   Classical IP and ARP Over ATM MIB        Elective       2320*
DNS-NCACHE Negative Caching of DNS Queries          Elective       2308*
SMFAX-IM   Simple Mode of FAX Using Internet Mail   Elective       2305*
MINFAX-IM  Minimal FAX addr format in Internet Mail Elective       2304*
MIN-PSTN   Min. PSTN addr format in Internet Mail   Elective       2303*
TIFF       Tag Image File Format                    Elective       2302*
FFIF       File Format for Internet Fax             Elective       2301*
EMF-MDN    Extensible Message Format for MDN        Elective       2298*
OR-ADD     O/R Address hierarchy in X.500           Elective       2294*
SUBTABLE   Tables and Subtrees in X.500             Elective       2293*
--------   Mobile-IPv4 Config Opt for PPP IPCP      Elective       2290*
SLM-APP    System-Level Managed Objects for Apps    Elective       2287*
PPP-EAP    PPP Extensible Authentication Protocol   Elective       2284*
MEXT-BGP4  Multiprotocol Extensions for BGP-4       Elective       2283*
RPSL       Routing Policy Specification Language    Elective       2280*
UTF-8      UTF-8 transformation format of ISO 10646 Elective       2279*
VACM-SNMP  View-based Access Control Model for SMMP Elective       2275*
USM-SNMPV3 User-based Security Model for SNMPv3     Elective       2274*
SNMPV3-APP SNMPv3 Applications                      Elective       2273*
MPD-SNMP   Message Processing & Dispatching SNMP    Elective       2272*
ARCH-SNMP  Architecture Describing SNMP Frameworks  Elective       2271*
--------   IEEE 802.12 Repeater MIB                 Elective       2266*
AGENTX     Agent Extensibility Protocol             Elective       2257*
--------   Summary of the X.500(96) with LDAPv3     Elective       2256*
LDAP-URL   LDAP URL Format                          Elective       2255*
STR-LDAP   String Rep of LDAP Search Filters        Elective       2254*
LDAP3-UTF8 LDAPv3: UTF-8 String Rep                 Elective       2253*
LDAP3-ATD  LDAP3-: Attribute Syntax Definitions     Elective       2252*
LDAPV3     Lightweight Directory Access Protocol    Elective       2251*
RTP-MPEG   RTP Payload Format for MPEG1/MPEG2       Elective       2250*
MAIL-MIB   Mail Monitoring MIB                      Elective       2249*
NSM-MIB    Network Services Monitoring MIB          Elective       2248*
--------   Using Domains LDAP/X.500 Dist. Names     Elective       2247*
SASL-ANON  Anonymous SASL Mechanism                 Elective       2245*



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RFC 2300                   Internet Standards                   May 1998


ACAP       Application Configuration Access         Elective       2244*
OTP-ER     OTP Extended Responses                   Elective       2243*
NETWAREIP  NetWare/IP Domain Name and Information   Elective       2242*
DHCP-NDS   DHCP Options for Novell Directory Serv.  Elective       2241*
MAUS-MIB   IEEE 802.3 Medium Attachment Units MIB   Elective       2239*
HPR-MIB    Definitions of Managed Objects for HPR   Elective       2238*
IGMP       Internet Group Management Protocol V2    Elective       2236*
ABNF       Augmented BNF for Syntax Specifications  Elective       2234*
INTERGRMIB Interfaces Group MIB                     Elective       2233*
DLUR-MIB   Definitions of Managed Objects for DLUR  Elective       2232*
MIME-EXT   MIME Parameter Value & Encoded Word Ext  Elective       2231*
FTPSECEXT  FTP Security Extensions                  Elective       2228*
---------  Simple Hit-Metering, Usage-Limiting HTTP Elective       2227*
---------  IP Broadcast over ATM Networks           Elective       2226*
AAL5-MTU   Default IP MTU for use over ATM AAL5     Elective       2225*
SASL       Simple Authentication and Security Layer Elective       2222*
IMAP4LOGIN IMAP4 Login Referrals                    Elective       2221*
---------  Schema for Internet White Pages Service  Elective       2218*
---------  Characterization Parameters for ISNE     Elective       2215*
---------  Integrated Services MIB Guar Serv Ext    Elective       2214*
---------  Integrated Services MIB using SMIv2      Elective       2213*
GQOS       Spec. of Guaranteed Quality of Service   Elective       2212*
---------  Spec. of Controlled-Load Net Ele Serv    Elective       2211*
RSVP-IS    Use of RSVP with IETF Integrated Serv    Elective       2210*
RSVP-MPR   RSVP Messaging Processing Rules          Elective       2209*
RSVP-APP   RSVP Applicability Statement             Elective       2208*
RSVP-IPSEC RSVP Extensions for IPSEC Data Flows     Elective       2207*
RSVP-MIB   RSVP Management Information Base         Elective       2206*
RSVP       Resource ReSerVation Protocol V1         Elective       2205*
RPCSEC-GSS RPCSEC_GSS Protocol Specification        Elective       2203*
RTP-RAD    RTP Payload for Redundant Audio Data     Elective       2198*
IMAPPOPAU  IMAP/POP AUTHorize Extension             Elective       2195*
IMAP4MAIL  IMAP4 Mailbox Referrals                  Elective       2193*
IMAP-URL   IMAP URL Scheme                          Elective       2192*
---------  RTP Payload Format for H.263 Video ST    Elective       2190*
MIME-EXT   MIME Parameter Value & Encoded Word Ext  Elective       2184*
---------  The Content-Disposition Header Field     Elective       2183*
DNS-CLAR   Clarifications to the DNS Specification  Elective       2181*
IMAP4-IDLE IMAP4 IDLE command                       Elective       2177*
SLP        Service Location Protocol                Elective       2165*
---------  X.500/LDAP Directory/MIXER Address Map.  Elective       2164*
DNS-MCGAM  Using DNS to Distribute MCGAM            Elective       2163*
---------  Carrying PostScript in X.400 and MIME    Elective       2160*
---------  A MIME Body Part for FAX                 Elective       2159*
---------  X.400 Image Body Parts                   Elective       2158*
---------  Mapping between X.400 and RFC-822/MIME   Elective       2157*
MIXER      Mime Internet X.400 Enhanced Relay       Elective       2156*
APPN-MIB   Definitions of Managed Objects for APPN  Elective       2155*



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RFC 2300                   Internet Standards                   May 1998


IPv6-Jumbo TCP and UDP over IPv6 Jumbograms         Elective       2147
MAIL-SERV  Mailbox Names for Common Services        Elective       2142
URN-SYNTAX URN Syntax                               Elective       2141
RADIUS     Remote Authentication Dial In Service    Elective       2138
SDNSDU     Secure Domain Name System Dynamic Update Elective       2137
DNS-UPDATE Dynamic Updates in the DNS               Elective       2136
DC-MIB     Dial Control MIB using SMIv2             Elective       2128
ISDN-MIB   ISDN MIB using SMIv2                     Elective       2127
ITOT       ISO Transport Service on top of TCP      Elective       2126
BAP-BACP   PPP-BAP, PPP-BACP                        Elective       2125
VEMMI-URL  VEMMI URL Specification                  Elective       2122
ROUT-ALERT IP Router Alert Option                   Elective       2113
MIME-RELAT MIME Multipart/Related Content-type      Elective       2112
CIDMID-URL Content-ID and Message-ID URLs           Elective       2111
MHTML      MIME E-mail Encapsulation                Elective       2110
HTTP-STATE HTTP State Management Mechanism          Elective       2109
802.3-MIB  802.3 Repeater MIB using SMIv2           Elective       2108
PPP-NBFCP  PPP NetBIOS Frames Control Protocol      Elective       2097
TABLE-MIB  IP Forwarding Table MIB                  Elective       2096
RIP-TRIG   Trigger RIP                              Elective       2091
IMAP4-LIT  IMAP4 non-synchronizing literals         Elective       2088
IMAP4-QUO  IMAP4 QUOTA extension                    Elective       2087
IMAP4-ACL  IMAP4 ACL Extension                      Elective       2086
HMAC-MD5   HMAC-MD5 IP Auth. with Replay Prevention Elective       2085
RIP2-MD5   RIP-2 MD5 Authentication                 Elective       2082
RIPNG-IPV6 RIPng for IPv6                           Elective       2080
URI-ATT    URI Attribute Type and Object Class      Elective       2079
GSSAP      Generic Security Service Application     Elective       2078
MIME-MODEL Model Primary MIME Types                 Elective       2077
RMON-MIB   Remote Network Monitoring MIB            Elective       2074
IPV6-UNI   IPv6 Provider-Based Unicast Address      Elective       2073
HTML-INT   HTML Internationalization                Elective       2070
DAA        Digest Access Authentication             Elective       2069
HTTP-1.1   Hypertext Transfer Protocol -- HTTP/1.1  Elective       2068
DNS-SEC    Domain Name System Security Extensions   Elective       2065
IMAPV4     Internet Message Access Protocol v4rev1  Elective       2060
URLZ39.50  Uniform Resource Locators for Z39.50     Elective       2056
SNANAU-APP SNANAU APPC MIB using SMIv2              Elective       2051
PPP-SNACP  PPP SNA Control Protocol                 Elective       2043
ENTITY-MIB Entity MIB using SMIv2                   Elective       2037
RTP-JPEG   RTP Payload Format for JPEG-compressed   Elective       2035
SMTP-ENH   SMTP Enhanced Error Codes                Elective       2034
RTP-H.261  RTP Payload Format for H.261             Elective       2032
RTP-CELLB  RTP Payload Format of Sun's CellB        Elective       2029
SPKM       Simple Public-Key GSS-API Mechanism      Elective       2025
DLSW-MIB   DLSw MIB using SMIv2                     Elective       2024
IPV6-PPP   IP Version 6 over PPP                    Elective       2023
MULTI-UNI  Multicast over UNI 3.0/3.1 based ATM     Elective       2022



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RFC 2300                   Internet Standards                   May 1998


RMON-MIB   RMON MIB using SMIv2                     Elective       2021
802.12-MIB IEEE 802.12 Interface MIB                Elective       2020
IPV6-FDDI  Transmission of IPv6 Packets Over FDDI   Elective       2019
TCP-ACK    TCP Selective Acknowledgement Options    Elective       2018
URL-ACC    URL Access-Type                          Elective       2017
MIME-PGP   MIME Security with PGP                   Elective       2015
MIB-UDP    SNMPv2 MIB for UDP                       Elective       2013
MIB-TCP    SNMPv2 MIB for TCP                       Elective       2012
MIB-IP     SNMPv2 MIB for IP                        Elective       2011
MOBILEIPMIBMobile IP MIB Definition using SMIv2     Elective       2006
MOBILEIPAPPApplicability Statement for IP Mobility  Elective       2005
MINI-IP    Minimal Encapsulation within IP          Elective       2004
IPENCAPIP  IP Encapsulation within IP               Elective       2003
MOBILEIPSUPIP Mobility Support                      Elective       2002
TCPSLOWSRT TCP Slow Start, Congestion Avoidance...  Elective       2001
BGP-COMM   BGP Communities Attribute                Elective       1997
DNS-NOTIFY Mech. for Notification of Zone Changes   Elective       1996
DNS-IZT    Incremental Zone Transfer in DNS         Elective       1995
SMTP-ETRN  SMTP Service Extension ETRN              Elective       1985
SNA        Serial Number Arithmetic                 Elective       1982
MTU-IPV6   Path MTU Discovery for IP version 6      Elective       1981
PPP-FRAME  PPP in Frame Relay                       Elective       1973
IPV6-ETHER Transmission IPv6 Packets Over Ethernet  Elective       1972
IPV6-AUTO  IPv6 Stateless Address Autoconfiguation  Elective       1971
IPV6-ND    Neighbor Discovery for IP Version 6      Elective       1970
PPP-ECP    PPP Encryption Control Protocol          Elective       1968
GSSAPI-KER Kerberos Version 5 GSS-API Mechanism     Elective       1964
PPP-CCP    PPP Compression Control Protocol         Elective       1962
GSSAPI-SOC GSS-API Auth for SOCKS Version 5         Elective       1961
LDAP-STR   String Rep. of LDAP Search Filters       Elective       1960
LDAP-URL   LDAP URL Format                          Elective       1959
TRANS-IPV6 Transition Mechanisms IPv6 Hosts/Routers Elective       1933
AUTH-SOCKS Username Authentication for SOCKS V5     Elective       1929
SOCKSV5    SOCKS Protocol Version 5                 Elective       1928
WHOIS++M   How to Interact with a Whois++ Mesh      Elective       1914
WHOIS++A   Architecture of Whois++ Index Service    Elective       1913
DSN        Delivery Status Notifications            Elective       1894
EMS-CODE   Enhanced Mail System Status Codes        Elective       1893
MIME-RPT   Multipart/Report                         Elective       1892
SMTP-DSN   SMTP Delivery Status Notifications       Elective       1891
RTP-AV     RTP Audio/Video Profile                  Elective       1890
RTP        Transport Protocol for Real-Time Apps    Elective       1889
DNS-IPV6   DNS Extensions to support IPv6           Elective       1886
ICMPv6     ICMPv6 for IPv6                          Elective       1885
IPV6-Addr  IPv6 Addressing Architecture             Elective       1884
IPV6       IPv6 Specification                       Elective       1883
HTML       Hypertext Markup Language - 2.0          Elective       1866
MIME-Sec   MIME Object Security Services            Elective       1848



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RFC 2300                   Internet Standards                   May 1998


MIME-Encyp MIME: Signed and Encrypted               Elective       1847
WHOIS++    Architecture of the WHOIS++ service      Elective       1835
--------   Binding Protocols for ONC RPC Version 2  Elective       1833
XDR        External Data Representation Standard    Elective       1832
RPC        Remote Procedure Call Protocol V. 2      Elective       1831
--------   ESP DES-CBC Transform                    Ele/Req        1829
--------   IP Authentication using Keyed MD5        Ele/Req        1828
ESP        IP Encapsulating Security Payload        Ele/Req        1827
IPV6-AH    IP Authentication Header                 Ele/Req        1826
--------   Security Architecture for IP             Ele/Req        1825
RREQ       Requirements for IP Version 4 Routers    Elective       1812
URL        Relative Uniform Resource Locators       Elective       1808
CLDAP      Connection-less LDAP                     Elective       1798
OSPF-DC    Ext. OSPF to Support Demand Circuits     Elective       1793
OSI-Dir    OSI User Friendly Naming ...             Elective       1781
MIME-EDI   MIME Encapsulation of EDI Objects        Elective       1767
Lang-Tag   Tags for Identification of Languages     Elective       1766
XNSCP      PPP XNS IDP Control Protocol             Elective       1764
BVCP       PPP Banyan Vines Control Protocol        Elective       1763
Print-MIB  Printer MIB                              Elective       1759
ATM-SIG    ATM Signaling Support for IP over ATM    Elective       1755
IPNG       Recommendation for IP Next Generation    Elective       1752
802.5-SSR  802.5 SSR MIB using SMIv2                Elective       1749
SDLCSMIv2  SNADLC SDLC MIB using SMIv2              Elective       1747
BGP4/IDRP  BGP4/IDRP for IP/OSPF Interaction        Elective       1745
AT-MIB     Appletalk MIB                            Elective       1742
MacMIME    MIME Encapsulation of Macintosh files    Elective       1740
URL        Uniform Resource Locators                Elective       1738
POP3-AUTH  POP3 AUTHentication command              Elective       1734
IMAP4-AUTH IMAP4 Authentication Mechanisms          Elective       1731
RDBMS-MIB  RDMS MIB - using SMIv2                   Elective       1697
MODEM-MIB  Modem MIB - using SMIv2                  Elective       1696
ATM-MIB    ATM Management Version 8.0 using SMIv2   Elective       1695
TMUX       Transport Multiplexing Protocol          Elective       1692
SNANAU-MIB SNA NAUs MIB using SMIv2                 Elective       1666
PPP-TRANS  PPP Reliable Transmission                Elective       1663
--------   Ethernet-like Interface Types MIB        Elective       1650
--------   Postmaster Convention X.400 Operations   Elective       1648
TN3270-En  TN3270 Enhancements                      Elective       1647
PPP-BCP    PPP Bridging Control Protocol            Elective       1638
UPS-MIB    UPS Management Information Base          Elective       1628
PPP-SONET  PPP over SONET/SDH                       Elective       1619
PPP-ISDN   PPP over ISDN                            Elective       1618
DNS-R-MIB  DNS Resolver MIB Extensions              Elective       1612
DNS-S-MIB  DNS Server MIB Extensions                Elective       1611
FR-MIB     Frame Relay Service MIB                  Elective       1604
PPP-X25    PPP in X.25                              Elective       1598
OSPF-NSSA  The OSPF NSSA Option                     Elective       1587



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RFC 2300                   Internet Standards                   May 1998


OSPF-Multi Multicast Extensions to OSPF             Elective       1584
SONET-MIB  MIB SONET/SDH Interface Type             Elective       1595
RIP-DC     Extensions to RIP to Support Demand Cir. Elective       1582
--------   Evolution of the Interfaces Group of MIB-II Elective    1573
PPP-LCP    PPP LCP Extensions                       Elective       1570
X500-MIB   X.500 Directory Monitoring MIB           Elective       1567
CIPX       Compressing IPX Headers Over WAM Media   Elective       1553
IPXCP      PPP Internetworking Packet Exchange Control Elective    1552
SRB-MIB    Source Routing Bridge MIB                Elective       1525
CIDR-STRA  CIDR Address Assignment...               Elective       1519
CIDR-ARCH  CIDR Architecture...                     Elective       1518
CIDR-APP   CIDR Applicability Statement             Elective       1517
--------   802.3 MAU MIB                            Elective       1515
HOST-MIB   Host Resources MIB                       Elective       1514
--------   Token Ring Extensions to RMON MIB        Elective       1513
FDDI-MIB   FDDI Management Information Base         Elective       1512
KERBEROS   Kerberos Network Authentication Ser (V5) Elective       1510
GSSAPI     Generic Security Service API: C-bindings Elective       1509
DASS       Distributed Authentication Security...   Elective       1507
--------   X.400 Use of Extended Character Sets     Elective       1502
HARPOON    Rules for Downgrading Messages...        Elective       1496
Equiv      X.400/MIME Body Equivalences             Elective       1494
IDPR       Inter-Domain Policy Routing Protocol     Elective       1479
IDPR-ARCH  Architecture for IDPR                    Elective       1478
PPP/Bridge MIB Bridge PPP MIB                       Elective       1474
PPP/IP MIB  IP Network Control Protocol of PPP MIB  Elective       1473
PPP/SEC MIB Security Protocols of PPP MIB           Elective       1472
PPP/LCP MIB Link Control Protocol of PPP MIB        Elective       1471
X25-MIB    Multiprotocol Interconnect on X.25 MIB   Elective       1461
SNMPv2     Introduction to SNMPv2                   Elective       1441
PEM-KEY    PEM - Key Certification                  Elective       1424
PEM-ALG    PEM - Algorithms, Modes, and Identifiers Elective       1423
PEM-CKM    PEM - Certificate-Based Key Management   Elective       1422
PEM-ENC    PEM - Message Encryption and Auth        Elective       1421
SNMP-IPX   SNMP over IPX                            Elective       1420
SNMP-AT    SNMP over AppleTalk                      Elective       1419
SNMP-OSI   SNMP over OSI                            Elective       1418
FTP-FTAM   FTP-FTAM Gateway Specification           Elective       1415
IDENT-MIB  Identification MIB                       Elective       1414
IDENT      Identification Protocol                  Elective       1413
DS3/E3-MIB DS3/E3 Interface Type                    Elective       1407
DS1/E1-MIB DS1/E1 Interface Type                    Elective       1406
BGP-OSPF   BGP OSPF Interaction                     Elective       1403
--------   Route Advertisement In BGP2 And BGP3     Elective       1397
SNMP-X.25  SNMP MIB Extension for X.25 Packet Layer Elective       1382
SNMP-LAPB  SNMP MIB Extension for X.25 LAPB         Elective       1381
PPP-ATCP   PPP AppleTalk Control Protocol           Elective       1378
PPP-OSINLCP PPP OSI Network Layer Control Protocol  Elective       1377



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SNMP-PARTY-MIB Administration of SNMP               Elective       1353
SNMP-SEC   SNMP Security Protocols                  Elective       1352
SNMP-ADMIN SNMP Administrative Model                Elective       1351
TOS        Type of Service in the Internet          Elective       1349
PPP-IPCP   PPP Control Protocol                     Elective       1332
-------    X.400 1988 to 1984 downgrading           Elective       1328
TCP-EXT    TCP Extensions for High Performance      Elective       1323
NETFAX     File Format for the Exchange of Images   Elective       1314
IARP       Inverse Address Resolution Protocol      Elective       1293
FDDI-MIB   FDDI-MIB                                 Elective       1285
-------    Encoding Network Addresses               Elective       1277
-------    Replication and Distributed Operations   Elective       1276
-------    COSINE and Internet X.500 Schema         Elective       1274
BGP-MIB    Border Gateway Protocol MIB (Version 3)  Elective       1269
ICMP-ROUT  ICMP Router Discovery Messages           Elective       1256
OSI-UDP    OSI TS on UDP                            Elective       1240
STD-MIBs   Reassignment of Exp MIBs to Std MIBs     Elective       1239
IPX-IP     Tunneling IPX Traffic through IP Nets    Elective       1234
IS-IS      OSI IS-IS for TCP/IP Dual Environments   Elective       1195
IP-CMPRS   Compressing TCP/IP Headers               Elective       1144
NNTP       Network News Transfer Protocol           Elective        977

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

[Note: Ele/Req indicates elective for use with IPv4 and required for use
with IPv6.]

Applicability Statements:






















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RFC 2300                   Internet Standards                   May 1998


6.6.  Telnet Options

For convenience, all the Telnet Options are collected here with both
their state and status.

Protocol   Name                           Number  State Status  RFC STD
========   =====================================  ===== ====== ==== ===
TOPT-BIN   Binary Transmission                 0  Std   Rec     856  27
TOPT-ECHO  Echo                                1  Std   Rec     857  28
TOPT-RECN  Reconnection                        2  Prop  Ele     ...
TOPT-SUPP  Suppress Go Ahead                   3  Std   Rec     858  29
TOPT-APRX  Approx Message Size Negotiation     4  Prop  Ele     ...
TOPT-STAT  Status                              5  Std   Rec     859  30
TOPT-TIM   Timing Mark                         6  Std   Rec     860  31
TOPT-REM   Remote Controlled Trans and Echo    7  Prop  Ele     726
TOPT-OLW   Output Line Width                   8  Prop  Ele     ...
TOPT-OPS   Output Page Size                    9  Prop  Ele     ...
TOPT-OCRD  Output Carriage-Return Disposition 10  Prop  Ele     652
TOPT-OHT   Output Horizontal Tabstops         11  Prop  Ele     653
TOPT-OHTD  Output Horizontal Tab Disposition  12  Prop  Ele     654
TOPT-OFD   Output Formfeed Disposition        13  Prop  Ele     655
TOPT-OVT   Output Vertical Tabstops           14  Prop  Ele     656
TOPT-OVTD  Output Vertical Tab Disposition    15  Prop  Ele     657
TOPT-OLD   Output Linefeed Disposition        16  Prop  Ele     658
TOPT-EXT   Extended ASCII                     17  Prop  Ele     698
TOPT-LOGO  Logout                             18  Prop  Ele     727
TOPT-BYTE  Byte Macro                         19  Prop  Ele     735
TOPT-DATA  Data Entry Terminal                20  Prop  Ele    1043
TOPT-SUP   SUPDUP                             21  Prop  Ele     736
TOPT-SUPO  SUPDUP Output                      22  Prop  Ele     749
TOPT-SNDL  Send Location                      23  Prop  Ele     779
TOPT-TERM  Terminal Type                      24  Prop  Ele    1091
TOPT-EOR   End of Record                      25  Prop  Ele     885
TOPT-TACACS  TACACS User Identification       26  Prop  Ele     927
TOPT-OM    Output Marking                     27  Prop  Ele     933
TOPT-TLN   Terminal Location Number           28  Prop  Ele     946
TOPT-3270  Telnet 3270 Regime                 29  Prop  Ele    1041
TOPT-X.3   X.3 PAD                            30  Prop  Ele    1053
TOPT-NAWS  Negotiate About Window Size        31  Prop  Ele    1073
TOPT-TS    Terminal Speed                     32  Prop  Ele    1079
TOPT-RFC   Remote Flow Control                33  Prop  Ele    1372
TOPT-LINE  Linemode                           34  Draft Ele    1184
TOPT-XDL   X Display Location                 35  Prop  Ele    1096
TOPT-ENVIR Telnet Environment Option          36  Hist  Not    1408
TOPT-AUTH  Telnet Authentication Option       37  Exp   Ele    1416
TOPT-ENVIR Telnet Environment Option          39  Prop  Ele    1572
TOPT-TN3270E TN3270 Enhancements              40  Prop  Ele    1647
TOPT-AUTH  Telnet XAUTH                       41  Exp



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TOPT-CHARSET Telnet CHARSET                   42  Exp          2066
TOPR-RSP   Telnet Remote Serial Port          43  Exp
TOPT-COMPORT Telnet Com Port Control          44  Exp          2217    *
TOPT-EXTOP Extended-Options-List             255  Std   Rec     861  32

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

6.7.  Experimental Protocols

All Experimental protocols have the Limited Use status.

Protocol   Name                                                     RFC
========   =====================================                   =====
-------    Domain Names and Company Name Retrieva                  2345*
RTP-MPEG   RTP Payload Format for Bundled MPEG                     2343*
-------    Intra-LIS IP Multicast/Routers over ATM using PIM       2337*
-------    Safe Response Header Field                              2310*
LDAP-NIS   Approach Using LDAP as a Network Information Service    2307*
HTTP-RVSA  HTTP Remote Variant Selection Algorithm                 2296*
TCN-HTTP   Transparent Content Negotiation in HTTP                 2295*
-------    Core Based Trees (CBT) Multicast Routing Architecture   2201*
-------    Core Based Trees (CBT version 2) Multicast Routing      2189*
-------    Trivial Convention using HTTP in URN Resolution         2169*
-------    Resolution of URIs using DNS                            2168*
MAP-MAIL   X.400 Mapping and Mail-11                               2162*
MIME-ODA   A MIME Body Part for ODA                                2161*
OSPF-DIG   OSPF with Digital Signature                             2154*
GKMP-ARCH  Group Key Management Protocol (GKMP) Architecture       2094*
GKMP-SPEC  Group Key Management Protocol (GKMP) Specification      2093*
IP-SCSI    Encapsulating IP with the SCSI                          2143
X.500-NAME Managing the X.500 Root Naming Context                  2120
TFTP-MULTI TFTP Multicast Option                                   2090
IP-Echo    IP Echo Host Service                                    2075
METER-MIB  Traffic Flow Measurement Meter MIB                      2064
TFM-ARCH   Traffic Flow Measurement Architecture                   2063
DNS-SRV    Location of Services in the DNS                         2052
URAS       Uniform Resource Agents                                 2016
GPS-AR     GPS-Based Addressing and Routing                        2009
ETFTP      Enhanced Trivial File Transfer Protocol                 1986
BGP-RR     BGP Route Reflection                                    1966
BGP-ASC    Autonomous System Confederations for BGP                1965
SMKD       Scalable Multicast Key Distribution                     1949
HTML-TBL   HTML Tables                                             1942
MIME-VP    Voice Profile for Internet Mail                         1911
SNMPV2SM   User-based Security Model for SNMPv2                    1910
SNMPV2AI   SNMPv2 Administrative Infrastructure                    1909
SNMPV2CB   Introduction to Community-based SNMPv2                  1901



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RFC 2300                   Internet Standards                   May 1998


-------    IPv6 Testing Address Allocation                         1897
DNS-LOC    Location Information in the DNS                         1876
SGML-MT    SGML Media Types                                        1874
CONT-MT    Access Type Content-ID                                  1873
UNARP      ARP Extension - UNARP                                   1868
-------    Form-based File Upload in HTML                          1867
-------    BGP/IDRP Route Server Alternative                       1863
-------    IP Authentication using Keyed SHA                       1852
ESP3DES    ESP Triple DES Transform                                1851
-------    SMTP 521 Reply Code                                     1846
-------    SMTP Serv. Ext. for Checkpoint/Restart                  1845
-------    SMTP Serv. Ext. Large and Binary MIME Msgs.             1830
ST2        Stream Protocol Version 2                               1819
-------    Content-Disposition Header                              1806
-------    Schema Publishing in X.500 Directory                    1804
-------    X.400-MHS use X.500 to support X.400-MHS Routing        1801
-------    Class A Subnet Experiment                               1797
TCP/IPXMIB TCP/IPX Connection Mib Specification                    1792
-------    TCP And UDP Over IPX Networks With Fixed Path MTU       1791
ICMP-DM    ICMP Domain Name Messages                               1788
CLNP-MULT  Host Group Extensions for CLNP Multicasting             1768
OSPF-OVFL  OSPF Database Overflow                                  1765
RWP        Remote Write ProtocolL - Version 1.0                    1756
NARP       NBMA Address Resolution Protocol                        1735
DNS-ENCODE DNS Encoding of Geographical Location                   1712
TCP-POS    An Extension to TCP: Partial Order Service              1693
T/TCP      TCP Extensions for Transactions                         1644
MIME-UNI   Using Unicode with MIME                                 1641
FOOBAR     FTP Operation Over Big Address Records                  1639
X500-CHART Charting Networks in the X.500 Directory                1609
X500-DIR   Representing IP Information in the X.500 Directory      1608
SNMP-DPI   SNMP Distributed Protocol Interface                     1592
CLNP-TUBA  Use of ISO CLNP in TUBA Environments                    1561
REM-PRINT  TPC.INT Subdomain Remote Printing - Technical           1528
EHF-MAIL   Encoding Header Field for Internet Messages             1505
RAP        Internet Route Access Protocol                          1476
TP/IX      TP/IX: The Next Internet                                1475
X400       Routing Coordination for X.400 Services                 1465
DNS        Storing Arbitrary Attributes in DNS                     1464
IRCP       Internet Relay Chat Protocol                            1459
TOS-LS     Link Security TOS                                       1455
SIFT/UFT   Sender-Initiated/Unsolicited File Transfer              1440
DIR-ARP    Directed ARP                                            1433
TEL-SPX    Telnet Authentication: SPX                              1412
TEL-KER    Telnet Authentication: Kerberos V4                      1411
TRACE-IP   Traceroute Using an IP Option                           1393
DNS-IP     Experiment in DNS Based IP Routing                      1383
RMCP       Remote Mail Checking Protocol                           1339



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TCP-HIPER  TCP Extensions for High Performance                     1323
MSP2       Message Send Protocol 2                                 1312
DSLCP      Dynamically Switched Link Control                       1307
--------   X.500 and Domains                                       1279
IN-ENCAP   Internet Encapsulation Protocol                         1241
CLNS-MIB   CLNS-MIB                                                1238
CFDP       Coherent File Distribution Protocol                     1235
IP-AX.25   IP Encapsulation of AX.25 Frames                        1226
ALERTS     Managing Asynchronously Generated Alerts                1224
MPP        Message Posting Protocol                                1204
SNMP-BULK  Bulk Table Retrieval with the SNMP                      1187
DNS-RR     New DNS RR Definitions                                  1183
IMAP2      Interactive Mail Access Protocol                        1176
NTP-OSI    NTP over OSI Remote Operations                          1165
DMF-MAIL   Digest Message Format for Mail                          1153
RDP        Reliable Data Protocol                              908,1151
TCP-ACO    TCP Alternate Checksum Option                           1146
IP-DVMRP   IP Distance Vector Multicast Routing                    1075
VMTP       Versatile Message Transaction Protocol                  1045
COOKIE-JAR Authentication Scheme                                   1004
NETBLT     Bulk Data Transfer Protocol                              998
IRTP       Internet Reliable Transaction Protocol                   938
LDP        Loader Debugger Protocol                                 909
RLP        Resource Location Protocol                               887
NVP-II     Network Voice Protocol                              ISI-memo
PVP        Packet Video Protocol                               ISI-memo

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]






















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6.8.  Informational Protocols

Information protocols have no status.

Protocol   Name                                                     RFC
=======    ====================================                    =====
--------   Mapping Airline Reservation, Ticketing, Messaging       2351*
KOI8-U     Ukrainian Character Set KOI8-U                          2319*
TEXT-CSS   The text/css Media Type                                 2318*
PKCS-7     PKCS #7: Cryptographic Message Syntax Version 1.5       2315*
PKCS-10    PKCS #10: Certification Request Syntax Version 1.5      2314*
PKCS-1     PKCS #1: RSA Encryption Version 1.5                     2313*
SMIME-CERT S/MIME Version 2 Certificate Handling                   2312*
SMIME-MSG  S/MIME Version 2 Message Specification                  2311*
TIFF       Tag Image File Format F Profile for Facsimile           2302*
GSMP       Ipsilon's General Switch Management Protocol            2297*
HSRP       Cisco Hot Standby Router Protocol (HSRP)                2281*
RC2-ENCRP  A Description of the RC2(r) Encryption Algorithm        2268*
SNQP       Simple Nomenclator Query Protocol                       2259*
--------   Japanese Character Encoding for Internet Messages       2237*
KEYX-DNS   Key Exchange Delegation Record for the DNS              2230*
DSP        A Dictionary Server Protocol                            2229*
NFS-URL    NFS URL Scheme                                          2224*
APP-MARC   The Application/MARC Content-type                       2220*
ODETTE-FTP ODETTE File Transfer Protocol                           2204*
ESRO       AT&T/Neda's Efficient Short Remote Operations Protocol  2188*
ICP        Internet Cache Protocol Version 2                       2186*
IPV4-MAPOS IPv4 over MAPOS Version 1                               2176*
MAPOS-SONET Multiple Access Protocol over SONET/SDH Version 1      2171*
RWHOIS     Referral Whois Protocol                                 2167*
PPP-EXT    PPP Vendor Extensions                                   2153
UTF-7      UTF-7                                                   2152
CAST-128   CAST-128 Encryption Algorithm                           2144
DLSCAP     Data Link Switching Client Access Protocol              2114
PNG        Portable Network Graphics Version 1.0                   2083
RC5        RC5, RC5-CBC, RC5-CBC-Pad, and RC5-CTS Algorithms       2040
SNTP       Simple Network Time Protocol v4 for IPv4, IPv6 and OSI  2030
PGP-MEF    PGP Message Exchange Formats                            1991
PPP-DEFL   PPP Deflate Protocol                                    1979
PPP-PRED   PPP Predictor Compression Protocol                      1978
PPP-BSD    PPP BSD Compression Protocol                            1977
PPP-DCE    PPP for Data Compression in DCE                         1976
PPP-MAG    PPP Magnalink Variable Resource Compression             1975
PPP-STAC   PPP Stac LZS Compression Protocol                       1974
GZIP       GZIP File Format Specification Version 4.3              1952
DEFLATE    DEFLATE Compressed Data Format Specification V. 1.3     1951
ZLIB       ZLIB Compressed Data Format Specification V. 3.3        1950
HTTP-1.0   Hypertext Transfer Protocol -- HTTP/1.0                 1945



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--------   text/enriched MIME Content-type                         1896
--------   Application/CALS-1840 Content-type                      1895
--------   PPP IPCP Extensions for Name Server Addresses           1877
SNPP       Simple Network Paging Protocol - Version 2              1861
--------   ISO Transport Class 2 Non-use Explicit Flow Control     1859
           over TCP RFC1006 extension
--------   IP in IP Tunneling                                      1853
--------   PPP Network Control Protocol for LAN Extension          1841
TESS       The Exponential Security System                         1824
NFSV3      NFS Version 3 Protocol Specification                    1813
--------   A Format for Bibliographic Records                      1807
-------    Data Link Switching: Switch-to-Switch Protocol          1795
BGP-4      Experience with the BGP-4 Protocol                      1773
SDMD       IPv4 Option for Sender Directed MD Delivery             1770
SNOOP      Snoop Version 2 Packet Capture File Format              1761
BINHEX     MIME Content Type for BinHex Encoded Files              1741
DNS-NSAP   DNS NSAP Resource Records                               1706
RADIO-PAGE TPC.INT Subdomain: Radio Paging -- Technical Procedures 1703
GRE-IPv4   Generic Routing Encapsulation over IPv4                 1702
GRE        Generic Routing Encapsulatio                            1701
ADSNA-IP   Advanced SNA/IP: A Simple SNA Transport Protocol        1538
TACACS     Terminal Access Control Protocol                        1492
MD4        MD4 Message Digest Algorithm                            1320
SUN-NFS    Network File System Protocol                            1094
SUN-RPC    Remote Procedure Call Protocol Version 2                1057
GOPHER     The Internet Gopher Protocol                            1436
LISTSERV   Listserv Distribute Protocol                            1429
-------    Replication Requirements                                1275
PCMAIL     Pcmail Transport Protocol                               1056
MTP        Multicast Transport Protocol                            1301
BSD Login  BSD Login                                               1282
DIXIE      DIXIE Protocol Specification                            1249
IP-X.121   IP to X.121 Address Mapping for DDN                     1236
OSI-HYPER  OSI and LLC1 on HYPERchannel                            1223
HAP2       Host Access Protocol                                    1221
SUBNETASGN On the Assignment of Subnet Numbers                     1219
SNMP-TRAPS Defining Traps for use with SNMP                        1215
DAS        Directory Assistance Service                            1202
LPDP       Line Printer Daemon Protocol                            1179

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]









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RFC 2300                   Internet Standards                   May 1998


6.9.  Historic Protocols

All Historic protocols have Not Recommended status.

Protocol   Name                                                RFC  STD
========   =====================================              ===== ===
L2F        Cisco Layer Two Forwarding Protocol                2341     *
IPSO       DoD Security Options for IP              Elective  1108
SNMPv2     Manager-to-Manager MIB                   Elective  1451
SNMPv2     Party MIB for SNMPv2                     Elective  1447
SNMPv2     Security Protocols for SNMPv2            Elective  1446
SNMPv2     Administrative Model for SNMPv2          Elective  1445
RIP        Routing Information Protocol             Ele       1058  34
--------   Mapping full 822 to Restricted 822                 1137
BGP3       Border Gateway Protocol 3 (BGP-3)             1267,1268
--------   Gateway Requirements                      Req      1009   4
EGP        Exterior Gateway Protocol                 Rec       904  18
SNMP-MUX   SNMP MUX Protocol and MIB                          1227
OIM-MIB-II OSI Internet Management: MIB-II                    1214
IMAP3      Interactive Mail Access Protocol Version 3         1203
SUN-RPC    Remote Procedure Call Protocol Version 1           1050
802.4-MIP  IEEE 802.4 Token Bus MIB                           1230
CMOT       Common Management Information Services             1189
--------   Mail Privacy: Procedures                           1113
--------   Mail Privacy: Key Management                       1114
--------   Mail Privacy: Algorithms                           1115
NFILE      A File Access Protocol                             1037
HOSTNAME   HOSTNAME Protocol                                   953
SFTP       Simple File Transfer Protocol                       913
SUPDUP     SUPDUP Protocol                                     734
BGP        Border Gateway Protocol                       1163,1164
MIB-I      MIB-I                                              1156
SGMP       Simple Gateway Monitoring Protocol                 1028
HEMS       High Level Entity Management Protocol              1021
STATSRV    Statistics Server                                   996
POP2       Post Office Protocol, Version 2                     937
RATP       Reliable Asynchronous Transfer Protocol             916
HFEP       Host - Front End Protocol                           929
THINWIRE   Thinwire Protocol                                   914
HMP        Host Monitoring Protocol                            869
GGP        Gateway Gateway Protocol                            823
RTELNET    Remote Telnet Service                               818
CLOCK      DCNET Time Server Protocol                          778
MPM        Internet Message Protocol                           759
NETRJS     Remote Job Service                                  740
NETED      Network Standard Text Editor                        569
RJE        Remote Job Entry                                    407
XNET       Cross Net Debugger                              IEN-158



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NAMESERVER Host Name Server Protocol                       IEN-116
MUX        Multiplexing Protocol                            IEN-90
GRAPHICS   Graphics Protocol                             NIC-24308

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]

6.10.  Obsolete Protocols

Some of the protocols listed in this memo are described in RFCs that are
obsoleted by newer RFCs.  "Obsolete" or "obsoleted" is not an official
state or status of protocols.  This subsection is for information only.

While it may seem to be obviously wrong to have an obsoleted RFC in the
list of standards, there may be cases when an older standard is in the
process of being replaced.  This process may take a year or two.

Many obsoleted protocols are of little interest and are dropped from
this memo altogether.  Some obsoleted protocols have received enough
recognition that it seems appropriate to list them under their current
status and with the following reference to their current replacement.

RFC            RFC   Status     Title                               *
====           ====  =========  =================================== =
1305 obsoletes 1119 Stan/Rec    Network Time Protocol version 2

Thanks to Lynn Wheeler for compiling the information in this
subsection.

[Note: an asterisk at the end of a line indicates a change from the
previous edition of this document.]




















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RFC 2300                   Internet Standards                   May 1998


7.  Contacts

7.1.  IAB, IETF, and IRTF Contacts

   7.1.1.  Internet Architecture Board (IAB) Contact

   Please send your comments about this list of protocols and especially
   about the Draft Standard Protocols to the Internet Architecture Board
   care of Abel Winerib, IAB Executive Director.

      Contacts:

         Abel Winerib
         Executive Director of the IAB
         Intel, JF2-64
         2111 NE 25th Avenue
         Hillsboro, OR 97124

         1-503-696-8972

         AWinerib@ibeam.jf.intel.com


         Brian E. Carpenter
         Chair of the IAB
         IBM United Kingdon Laboratories
         Hursley Park
         Winchester
         Hampshire SO21 2JN

         +44 1962 816833

         brian@hursley.ibm.com


   7.1.2.  Internet Engineering Task Force (IETF) Contact

      Contacts:

         Fred Baker
         Chair of the IETF
         cisco Systems, Inc.
         519 Lado Drive
         Santa Barbara, CA 93111

         1-805-681-0115

         fred@cisco.com



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RFC 2300                   Internet Standards                   May 1998


         Steve Coya
         IESG Secretary
         Corporation for National Research Initiatives
         1895 Preston White Drive, Suite 100
         Reston, VA 22091

         1-703-620-8990

         scoya@IETF.ORG

         Steve Coya
         Executive Director of the IETF
         Corporation for National Research Initiatives
         1895 Preston White Drive, Suite 100
         Reston, VA 22091

         1-703-620-8990

         scoya@IETF.ORG


   7.1.3.  Internet Research Task Force (IRTF) Contact

      Contact:

         Abel Winerib
         Chair of the IRTF
         Intel, JF2-64
         2111 NE 25th Avenue
         Hillsboro, OR 97124

         1-503-696-8972

         AWinerib@ibeam.jf.intel.com

















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RFC 2300                   Internet Standards                   May 1998


7.2.  Internet Assigned Numbers Authority Contact

      Contact:

         Joyce K. Reynolds
         Internet Assigned Numbers Authority
         USC/Information Sciences Institute
         4676 Admiralty Way
         Marina del Rey, CA  90292-6695

         1-310-822-1511

         IANA@IANA.ORG

   The protocol standards are managed by the Internet Assigned Numbers
   Authority.

   Please refer to the document "Assigned Numbers" (RFC-1700) for
   further information about the status of protocol documents.  There
   are two documents that summarize the requirements for host and
   gateways in the Internet, "Host Requirements" (RFC-1122 and RFC-1123)
   and "Requirements for IP Version 4 Routers" (RFC-1812).

      How to obtain the most recent edition of this "Internet Official
      Protocol Standards" memo:

         The file "in-notes/std/std1.txt" may be copied via FTP from the
         FTP.ISI.EDU computer using the FTP username "anonymous" and FTP
         password "guest".






















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RFC 2300                   Internet Standards                   May 1998


7.3.  Request for Comments Editor Contact

      Contact:

         Jon Postel
         RFC Editor
         USC/Information Sciences Institute
         4676 Admiralty Way
         Marina del Rey, CA  90292-6695

         1-310-822-1511

         RFC-Editor@ISI.EDU

   Documents may be submitted via electronic mail to the RFC Editor for
   consideration for publication as RFC.  If you are not familiar with
   the format or style requirements please request the "Instructions for
   RFC Authors".  In general, the style of any recent RFC may be used as
   a guide.

7.4.  The Network Information Center and
      Requests for Comments Distribution Contact

   RFCs can be obtained via FTP from FTP.ISI.EDU, with the pathname in-
   notes/rfcnnnn.txt (where "nnnn" refers to the number of the RFC).
   Login with FTP username "anonymous" and password "name@host.domain".

   RFCs can also be obtained via electronic mail from ISI.EDU by using
   the RFC-INFO service.  Address the request to "rfc-info@isi.edu" with
   a message body of:

           Retrieve: RFC
              Doc-ID: RFCnnnn

   (Where "nnnn" refers to the number of the RFC (always use 4 digits -
   the DOC-ID of RFC 822 is "RFC0822")).  The RFC-INFO@ISI.EDU server
   provides other ways of selecting RFCs based on keywords and such; for
   more information send a message to "rfc-info@isi.edu" with the
   message body "help: help".

   contact: RFC-Manager@ISI.EDU










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RFC 2300                   Internet Standards                   May 1998


7.5.  Sources for Requests for Comments

   Details on many sources of RFCs via FTP or EMAIL may be obtained by
   sending an EMAIL message to "rfc-info@ISI.EDU" with the message body
   "help: ways_to_get_rfcs".  For example:

           To: rfc-info@ISI.EDU
           Subject: getting rfcs

           help: ways_to_get_rfcs

8.  Security Considerations

   Security issues are not addressed in this memo.

9.  Author's Address

   Jon Postel
   USC/Information Sciences Institute
   4676 Admiralty Way
   Marina del Rey, CA 90292

   Phone: 310-822-1511
   Fax:   310-823-6714

   EMail: Postel@ISI.EDU

























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RFC 2300                   Internet Standards                   May 1998


Full Copyright Statement

   Copyright (C) The Internet Society (1998).  All Rights Reserved.

   This document and translations of it may be copied and furnished to
   others, and derivative works that comment on or otherwise explain it
   or assist in its implementation may be prepared, copied, published
   and distributed, in whole or in part, without restriction of any
   kind, provided that the above copyright notice and this paragraph are
   included on all such copies and derivative works.  However, this
   document itself may not be modified in any way, such as by removing
   the copyright notice or references to the Internet Society or other
   Internet organizations, except as needed for the purpose of
   developing Internet standards in which case the procedures for
   copyrights defined in the Internet Standards process must be
   followed, or as required to translate it into languages other than
   English.

   The limited permissions granted above are perpetual and will not be
   revoked by the Internet Society or its successors or assigns.

   This document and the information contained herein is provided on an
   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
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Internet Architecture Board Standards Track                    [Page 59]
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