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+Network Working Group                                         B. Manning
+Request for Comments: 2042                                           ISI
+Category: Informational                                     January 1997
+
+
+                  Registering New BGP Attribute Types
+
+Status of this Memo
+
+   This memo provides information for the Internet community.  This memo
+   does not specify an Internet standard of any kind.  Distribution of
+   this memo is unlimited.
+
+Process:
+
+   This document describes the process for creating new BGP attribute
+   type codes.  Basic attribute type codes are described in RFC 1771,
+   pages 12 through 15.  These, and new attribute type codes that are
+   used in the Internet are registered with the IANA.
+
+   The actual process will involve the documentation of such attribute
+   type codes in an RFC.  There is no intention of segmenting the code
+   space into public/private or IP/OSI or any other sectioning.
+
+   As each attribute type code is in the process of being developed, it
+   will use an octet value of 255, which will be reserved for this use.
+   At the time an attribute type code is assigned a number by the IANA,
+   the documetnation and code base will be updated to reflect the
+   authorized attribute type code value.
+
+   IANA maintained values will be published in the periodically updated
+   Assigned Numbers RFC [6].  Requests for assignment of a new attribute
+   type code should be sent to the IANA (IANA@IANA.ORG) with a subject
+   that includes the phrase "BGP Attribute Type".
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+Manning                      Informational                      [Page 1]
+
+RFC 2042                  BGP Atrribute Types               January 1997
+
+
+   Currently in use attribute type codes are listed below:
+
+                 Value      Code                             Reference
+
+                   1       ORIGIN                                  [1]
+                   2       AS_PATH                                 [1]
+                   3       NEXT_HOP                                [1]
+                   4       MULTI_EXIT_DISC                         [1]
+                   5       LOCAL_PREF                              [1]
+                   6       ATOMIC_AGGREGATE                        [1]
+                   7       AGGREGATOR                              [1]
+                   8       COMMUNITY                               [2]
+                   9       ORIGINATOR_ID                           [3]
+                   10      CLUSTER_LIST                            [3]
+                   11      DPA                                     [4]
+                   12      ADVERTISER                              [5]
+                   13      RCID_PATH / CLUSTER_ID                  [5]
+                   ...
+                   255     reserved for development
+
+
+
+Security Considerations
+
+   Security issues are not discussed in this memo.
+
+References
+
+   [1] Rekhter, Y., and Li, T., "A Border Gateway Protocol 4 (BGP-4)",
+       RFC 1771, March 1995.
+
+   [2] Chandra, R., Traina, P., and T. Li, "BGP Communities
+       Attribute", RFC 1997, August 1996.
+
+   [3] Bates, T., Chandra, R, "BGP Route Reflection An alternative
+       to full mesh IBGP", RFC 1998, June 1996.
+
+   [4] Chen, E., Bates, T., "Destination Preference Attribute for BGP",
+       Work in progress, March 1996.
+
+   [5] Haskin, D., "A BGP/IDRP Route Server alternative to a full mesh
+       routing", RFC 1863, October 1995.
+
+   [6] Reynolds, J., and J. Postel, "Assigned Numbers", STD 2, RFC 1700,
+       ISI, October 1994.
+
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+
+
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+Manning                      Informational                      [Page 2]
+
+RFC 2042                  BGP Atrribute Types               January 1997
+
+
+Author's Address
+
+   Bill Manning
+   USC/ISI
+   4676 Admiralty Way
+   Marina del Rey, CA. 90292
+
+   Phone: 01.310.822.1511
+   EMail: bmanning@isi.edu
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+Manning                      Informational                      [Page 3]
+