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|
Network Working Group C. Mickles, Ed.
Request for Comments: 3790
Category: Informational P. Nesser, II
Nesser & Nesser Consulting
June 2004
Survey of IPv4 Addresses in Currently Deployed
IETF Internet Area Standards Track and Experimental Documents
Status of this Memo
This memo provides information for the Internet community. It does
not specify an Internet standard of any kind. Distribution of this
memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2004).
Abstract
This document seeks to document all usage of IPv4 addresses in
currently deployed IETF Internet Area documented standards. In order
to successfully transition from an all IPv4 Internet to an all IPv6
Internet, many interim steps will be taken. One of these steps is
the evolution of current protocols that have IPv4 dependencies. It
is hoped that these protocols (and their implementations) will be
redesigned to be network address independent, but failing that will
at least dually support IPv4 and IPv6. To this end, all Standards
(Full, Draft, and Proposed) as well as Experimental RFCs will be
surveyed and any dependencies will be documented.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 9
2. Document Organization. . . . . . . . . . . . . . . . . . . . 9
3. Full Standards . . . . . . . . . . . . . . . . . . . . . . . 9
3.1. RFC 791 Internet Protocol . . . . . . . . . . . . . . 9
3.2. RFC 792 Internet Control Message Protocol . . . . . . 9
3.3. RFC 826 Ethernet Address Resolution Protocol. . . . . 9
3.4. RFC 891 DCN Local-Network Protocols . . . . . . . . . 10
3.5. RFC 894 Standard for the transmission of IP datagrams
over Ethernet networks. . . . . . . . . . . . . . . . 10
3.6. RFC 895 Standard for the transmission of IP datagrams
over experimental Ethernet networks . . . . . . . . . 10
3.7. RFC 903 Reverse Address Resolution Protocol . . . . . 10
3.8. RFC 919 Broadcasting Internet Datagrams . . . . . . . 10
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
3.9. RFC 922 Broadcasting Internet datagrams in the
presence of subnets . . . . . . . . . . . . . . . . . 10
3.10. RFC 950 Internet Standard Subnetting Procedure. . . . 10
3.11. RFC 1034 Domain Names: Concepts and Facilities. . . . 10
3.12. RFC 1035 Domain Names: Implementation and
Specification . . . . . . . . . . . . . . . . . . . . 11
3.13. RFC 1042 Standard for the transmission of IP datagrams
over IEEE 802 networks . . . . . . . . . . . . . . . 13
3.14. RFC 1044 Internet Protocol on Network System's
HYPERchannel: Protocol Specification . . . . . . . . 13
3.15. RFC 1055 Nonstandard for transmission of IP datagrams
over serial lines: SLIP . . . . . . . . . . . . . . . 13
3.16. RFC 1088 Standard for the transmission of IP
datagrams over NetBIOS networks . . . . . . . . . . . 13
3.17. RFC 1112 Host Extensions for IP Multicasting. . . . . 13
3.18. RFC 1132 Standard for the transmission of 802.2
packets over IPX networks . . . . . . . . . . . . . . 13
3.19. RFC 1201 Transmitting IP traffic over ARCNET
networks. . . . . . . . . . . . . . . . . . . . . . . 13
3.20. RFC 1209 The Transmission of IP Datagrams over the
SMDS Service. . . . . . . . . . . . . . . . . . . . . 14
3.21. RFC 1390 Transmission of IP and ARP over FDDI
Networks. . . . . . . . . . . . . . . . . . . . . . . 14
3.22. RFC 1661 The Point-to-Point Protocol (PPP). . . . . . 14
3.23. RFC 1662 PPP in HDLC-like Framing . . . . . . . . . . 14
3.24. RFC 2427 Multiprotocol Interconnect over Frame Relay. 14
4. Draft Standards . . . . . . . . . . . . . . . . . . . . . . 14
4.1. RFC 951 Bootstrap Protocol (BOOTP). . . . . . . . . . 14
4.2. RFC 1188 Proposed Standard for the Transmission of IP
Datagrams over FDDI Networks. . . . . . . . . . . . . 15
4.3. RFC 1191 Path MTU discovery . . . . . . . . . . . . . 15
4.4. RFC 1356 Multiprotocol Interconnect on X.25 and ISDN. 15
4.5. RFC 1534 Interoperation Between DHCP and BOOTP. . . . 16
4.6. RFC 1542 Clarifications and Extensions for the
Bootstrap Protocol. . . . . . . . . . . . . . . . . . 16
4.7. RFC 1629 Guidelines for OSI NSAP Allocation in the
Internet. . . . . . . . . . . . . . . . . . . . . . . 16
4.8. RFC 1762 The PPP DECnet Phase IV Control Protocol
(DNCP). . . . . . . . . . . . . . . . . . . . . . . . 16
4.9. RFC 1989 PPP Link Quality Monitoring. . . . . . . . . 16
4.10. RFC 1990 The PPP Multilink Protocol (MP). . . . . . . 16
4.11. RFC 1994 PPP Challenge Handshake Authentication
Protocol (CHAP) . . . . . . . . . . . . . . . . . . . 17
4.12. RFC 2067 IP over HIPPI. . . . . . . . . . . . . . . . 17
4.13. RFC 2131 Dynamic Host Configuration Protocol. . . . . 17
4.14. RFC 2132 DHCP Options and BOOTP Vendor Extensions . . 17
4.15. RFC 2390 Inverse Address Resolution Protocol. . . . . 17
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
4.16. RFC 2460 Internet Protocol, Version 6 (IPv6)
Specification . . . . . . . . . . . . . . . . . . . . 17
4.17. RFC 2461 Neighbor Discovery for IP Version 6 (IPv6) . 18
4.18. RFC 2462 IPv6 Stateless Address Autoconfiguration . . 18
4.19. RFC 2463 Internet Control Message Protocol (ICMPv6)
for the Internet Protocol Version 6 (IPv6)
Specification. . . . . . . . . . . . . . . . . . . . 18
4.20. RFC 3596 DNS Extensions to support IP version 6 . . . 18
5. Proposed Standards . . . . . . . . . . . . . . . . . . . . . 18
5.1. RFC 1234 Tunneling IPX traffic through IP networks. . 18
5.2. RFC 1256 ICMP Router Discovery Messages . . . . . . . 19
5.3. RFC 1277 Encoding Network Addresses to Support
Operation over Non-OSI Lower Layers . . . . . . . . . 19
5.4. RFC 1332 The PPP Internet Protocol Control Protocol
(IPCP). . . . . . . . . . . . . . . . . . . . . . . . 19
5.5. RFC 1377 The PPP OSI Network Layer Control Protocol
(OSINLCP) . . . . . . . . . . . . . . . . . . . . . . 20
5.6. RFC 1378 The PPP AppleTalk Control Protocol (ATCP). . 20
5.7. RFC 1469 IP Multicast over Token-Ring Local Area
Networks. . . . . . . . . . . . . . . . . . . . . . . 20
5.8. RFC 1552 The PPP Internetworking Packet Exchange
Control Protocol (IPXCP). . . . . . . . . . . . . . . 20
5.9. RFC 1570 PPP LCP Extensions . . . . . . . . . . . . . 20
5.10. RFC 1598 PPP in X.25 PPP-X25. . . . . . . . . . . . . 20
5.11. RFC 1618 PPP over ISDN. . . . . . . . . . . . . . . . 20
5.12. RFC 1663 PPP Reliable Transmission. . . . . . . . . . 20
5.13. RFC 1752 The Recommendation for the IP Next
Generation Protocol . . . . . . . . . . . . . . . . . 20
5.14. RFC 1755 ATM Signaling Support for IP over ATM. . . . 20
5.15. RFC 1763 The PPP Banyan Vines Control Protocol (BVCP) 21
5.16. RFC 1764 The PPP XNS IDP Control Protocol (XNSCP) . . 21
5.17. RFC 1973 PPP in Frame Relay . . . . . . . . . . . . . 21
5.18. RFC 1981 Path MTU Discovery for IP version 6. . . . . 21
5.19. RFC 1982 Serial Number Arithmetic . . . . . . . . . . 21
5.20. 5.21 RFC 1995 Incremental Zone Transfer in DNS. . . . 21
5.21. RFC 1996 A Mechanism for Prompt Notification of Zone
Changes (DNS NOTIFY). . . . . . . . . . . . . . . . . 21
5.22. RFC 2003 IP Encapsulation within IP . . . . . . . . . 21
5.23. RFC 2004 Minimal Encapsulation within IP. . . . . . . 21
5.24. RFC 2005 Applicability Statement for IP Mobility
Support . . . . . . . . . . . . . . . . . . . . . . . 21
5.25. RFC 2022 Support for Multicast over UNI 3.0/3.1 based
ATM Networks. . . . . . . . . . . . . . . . . . . . . 22
5.26. RFC 2043 The PPP SNA Control Protocol (SNACP) . . . . 22
5.27. RFC 2097 The PPP NetBIOS Frames Control Protocol
(NBFCP) . . . . . . . . . . . . . . . . . . . . . . . 22
5.28. RFC 2113 IP Router Alert Option . . . . . . . . . . . 22
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
5.29. RFC 2125 The PPP Bandwidth Allocation Protocol (BAP)
/ The PPP Bandwidth Allocation Control Protocol
(BACP) . . . . . . . . . . . . . . . . . . . . . . . . 22
5.30. RFC 2136 Dynamic Updates in the Domain Name System
(DNS UPDATE). . . . . . . . . . . . . . . . . . . . . 22
5.31. RFC 2181 Clarifications to the DNS Specification. . . 22
5.32. RFC 2225 Classical IP and ARP over ATM. . . . . . . . 22
5.33. RFC 2226 IP Broadcast over ATM Networks . . . . . . . 23
5.34. RFC 2241 DHCP Options for Novell Directory Services . 23
5.35. RFC 2242 NetWare/IP Domain Name and Information . . . 23
5.36. RFC 2290 Mobile-IPv4 Configuration Option for PPP
IPCP. . . . . . . . . . . . . . . . . . . . . . . . . 24
5.37. RFC 2308 Negative Caching of DNS Queries (DNS NCACHE) 24
5.38. RFC 2331 ATM Signaling Support for IP over ATM - UNI
Signaling 4.0 Update. . . . . . . . . . . . . . . . . 24
5.39. RFC 2332 NBMA Next Hop Resolution Protocol (NHRP) . . 24
5.40. RFC 2333 NHRP Protocol Applicability. . . . . . . . . 24
5.41. RFC 2335 A Distributed NHRP Service Using SCSP. . . . 24
5.42. RFC 2363 PPP Over FUNI. . . . . . . . . . . . . . . . 24
5.43. RFC 2364 PPP Over AAL5. . . . . . . . . . . . . . . . 24
5.44. RFC 2371 Transaction Internet Protocol Version 3.0
(TIPV3) . . . . . . . . . . . . . . . . . . . . . . . 25
5.45. RFC 2464 Transmission of IPv6 Packets over Ethernet
Networks. . . . . . . . . . . . . . . . . . . . . . . 26
5.46. RFC 2467 Transmission of IPv6 Packets over FDDI
Networks. . . . . . . . . . . . . . . . . . . . . . . 26
5.47. RFC 2470 Transmission of IPv6 Packets over Token Ring
Networks. . . . . . . . . . . . . . . . . . . . . . . 26
5.48. RFC 2472 IP Version 6 over PPP. . . . . . . . . . . . 26
5.49. RFC 2473 Generic Packet Tunneling in IPv6
Specification . . . . . . . . . . . . . . . . . . . . 26
5.50. RFC 2484 PPP LCP Internationalization Configuration
Option. . . . . . . . . . . . . . . . . . . . . . . . 26
5.51. RFC 2485 DHCP Option for The Open Group's User
Authentication Protocol . . . . . . . . . . . . . . . 27
5.52. RFC 2486 The Network Access Identifier. . . . . . . . 27
5.53. RFC 2491 IPv6 over Non-Broadcast Multiple Access
(NBMA) Networks . . . . . . . . . . . . . . . . . . . 27
5.54. RFC 2492 IPv6 over ATM Networks . . . . . . . . . . . 27
5.55. RFC 2497 Transmission of IPv6 Packets over ARCnet
Networks. . . . . . . . . . . . . . . . . . . . . . . 27
5.56. RFC 2507 IP Header Compression. . . . . . . . . . . . 27
5.57. RFC 2526 Reserved IPv6 Subnet Anycast Addresses . . . 27
5.58. RFC 2529 Transmission of IPv6 over IPv4 Domains
without Explicit Tunnels. . . . . . . . . . . . . . . 27
5.59. RFC 2563 DHCP Option to Disable Stateless
Auto-Configuration in IPv4 Clients. . . . . . . . . . 27
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
5.60. RFC 2590 Transmission of IPv6 Packets over Frame
Relay Networks Specification. . . . . . . . . . . . . 28
5.61. RFC 2601 ILMI-Based Server Discovery for ATMARP . . . 28
5.62. RFC 2602 ILMI-Based Server Discovery for MARS . . . . 28
5.63. RFC 2603 ILMI-Based Server Discovery for NHRP . . . . 28
5.64. RFC 2610 DHCP Options for Service Location Protocol . 28
5.65. RFC 2615 PPP over SONET/SDH . . . . . . . . . . . . . 28
5.66. RFC 2625 IP and ARP over Fibre Channel. . . . . . . . 28
5.67. RFC 2661 Layer Two Tunneling Protocol (L2TP). . . . . 28
5.68. RFC 2671 Extension Mechanisms for DNS (EDNS0) . . . . 28
5.69. RFC 2672 Non-Terminal DNS Name Redirection. . . . . . 29
5.70. RFC 2673 Binary Labels in the Domain Name System. . . 29
5.71. RFC 2675 IPv6 Jumbograms. . . . . . . . . . . . . . . 29
5.72. RFC 2684 Multiprotocol Encapsulation over ATM
Adaptation Layer 5. . . . . . . . . . . . . . . . . . 29
5.73. RFC 2685 Virtual Private Networks Identifier. . . . . 29
5.74. RFC 2686 The Multi-Class Extension to Multi-Link PPP. 29
5.75. RFC 2687 PPP in a Real-time Oriented HDLC-like
Framing . . . . . . . . . . . . . . . . . . . . . . . 29
5.76. RFC 2688 Integrated Services Mappings for Low Speed
Networks. . . . . . . . . . . . . . . . . . . . . . . 29
5.77. RFC 2710 Multicast Listener Discovery (MLD) for IPv6. 29
5.78. RFC 2711 IPv6 Router Alert Option . . . . . . . . . . 29
5.79. RFC 2728 The Transmission of IP Over the Vertical
Blanking Interval of a Television Signal. . . . . . . 30
5.80. RFC 2734 IPv4 over IEEE 1394. . . . . . . . . . . . . 30
5.81. RFC 2735 NHRP Support for Virtual Private Networks. . 30
5.82. RFC 2765 Stateless IP/ICMP Translation Algorithm
(SIIT). . . . . . . . . . . . . . . . . . . . . . . . 30
5.83. RFC 2766 Network Address Translation - Protocol
Translation (NAT-PT). . . . . . . . . . . . . . . . . 30
5.84. RFC 2776 Multicast-Scope Zone Announcement Protocol
(MZAP). . . . . . . . . . . . . . . . . . . . . . . . 31
5.85. RFC 2782 A DNS RR for specifying the location of
services. . . . . . . . . . . . . . . . . . . . . . . 31
5.86. RFC 2794 Mobile IP Network Access Identifier
Extension for IPv4. . . . . . . . . . . . . . . . . . 31
5.87. RFC 2834 ARP and IP Broadcast over HIPPI-800. . . . . 31
5.88. RFC 2835 IP and ARP over HIPPI-6400 . . . . . . . . . 33
5.89. RFC 2855 DHCP for IEEE 1394 . . . . . . . . . . . . . 33
5.90. RFC 2874 DNS Extensions to Support IPv6 Address
Aggregation and Renumbering . . . . . . . . . . . . . 33
5.91. RFC 2893 Transition Mechanisms for IPv6 Hosts and
Routers . . . . . . . . . . . . . . . . . . . . . . . 33
5.92. RFC 2916 E.164 number and DNS . . . . . . . . . . . . 33
5.93. RFC 2937 The Name Service Search Option for DHCP. . . 33
5.94. RFC 3004 The User Class Option for DHCP . . . . . . . 33
5.95. RFC 3011 The IPv4 Subnet Selection Option for DHCP. . 33
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
5.96. RFC 3021 Using 31-Bit Prefixes for IPv4 P2P Links . . 33
5.97. RFC 3024 Reverse Tunneling for Mobile IP, revised . . 34
5.98. RFC 3046 DHCP Relay Agent Information Option. . . . . 34
5.99. RFC 3056 Connection of IPv6 Domains via IPv4 Clouds . 34
5.100. RFC 3068 An Anycast Prefix for 6to4 Relay Routers . . 34
5.101. RFC 3070 Layer Two Tunneling Protocol (L2TP) over
Frame Relay . . . . . . . . . . . . . . . . . . . . . 34
5.102. RFC 3074 DHC Load Balancing Algorithm . . . . . . . . 34
5.103. RFC 3077 A Link-Layer Tunneling Mechanism for
Unidirectional Links. . . . . . . . . . . . . . . . . 34
5.104. RFC 3115 Mobile IP Vendor/Organization-Specific
Extensions. . . . . . . . . . . . . . . . . . . . . . 34
5.105. RFC 3145 L2TP Disconnect Cause Information. . . . . . 34
5.106. RFC 3344 IP Mobility Support for IPv4 . . . . . . . . 34
5.107. RFC 3376 Internet Group Management Protocol,
Version 3 . . . . . . . . . . . . . . . . . . . . . . 35
5.108. RFC 3402 Dynamic Delegation Discovery System (DDDS)
Part Two: The Algorithm . . . . . . . . . . . . . . . 35
5.109. RFC 3403 Dynamic Delegation Discovery System (DDDS)
Part Three: The Domain Name System (DNS) Database. . 35
5.110. RFC 3513 IP Version 6 Addressing Architecture . . . . 35
5.111. RFC 3518 Point-to-Point Protocol (PPP) Bridging
Control Protocol (BCP). . . . . . . . . . . . . . . . 35
6. Experimental RFCs. . . . . . . . . . . . . . . . . . . . . . 35
6.1. RFC 1149 Standard for the transmission of IP
datagrams on avian carriers . . . . . . . . . . . . . 35
6.2. RFC 1183 New DNS RR Definitions . . . . . . . . . . . 35
6.3. RFC 1226 Internet protocol encapsulation of AX.25
frames. . . . . . . . . . . . . . . . . . . . . . . . 36
6.4. RFC 1241 Scheme for an internet encapsulation
protocol: Version 1 . . . . . . . . . . . . . . . . . 36
6.5. RFC 1307 Dynamically Switched Link Control Protocol . 36
6.6. RFC 1393 Traceroute Using an IP Option. . . . . . . . 36
6.7. RFC 1433 Directed ARP . . . . . . . . . . . . . . . . 36
6.8. RFC 1464 Using the Domain Name System To Store
Arbitrary String Attributes . . . . . . . . . . . . . 37
6.9. RFC 1475 TP/IX: The Next Internet . . . . . . . . . . 37
6.10. RFC 1561 Use of ISO CLNP in TUBA Environments . . . . 37
6.11. RFC 1712 DNS Encoding of Geographical Location. . . . 37
6.12. RFC 1735 NBMA Address Resolution Protocol (NARP). . . 37
6.13. RFC 1768 Host Group Extensions for CLNP Multicasting. 38
6.14. RFC 1788 ICMP Domain Name Messages. . . . . . . . . . 38
6.15. RFC 1797 Class A Subnet Experiment. . . . . . . . . . 38
6.16. RFC 1819 Internet Stream Protocol Version 2 (ST2)
Protocol Specification - Version ST2+ . . . . . . . . 39
6.17. RFC 1868 ARP Extension - UNARP. . . . . . . . . . . . 39
6.18. RFC 1876 A Means for Expressing Location Information
in the Domain Name System . . . . . . . . . . . . . . 39
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RFC 3790 IPv4 Addresses in the IETF Internet Area June 2004
6.19. RFC 1888 OSI NSAPs and IPv6 . . . . . . . . . . . . . 39
6.20. RFC 2009 GPS-Based Addressin and Routing. . . . . . . 39
6.21. RFC 2143 Encapsulating IP with the SCSI . . . . . . . 39
6.22. RFC 2345 Domain Names and Company Name Retrieval. . . 40
6.23. RFC 2443 A Distributed MARS Service Using SCSP. . . . 40
6.24. RFC 2471 IPv6 Testing Address Allocation. . . . . . . 40
6.25. RFC 2520 NHRP with Mobile NHCs. . . . . . . . . . . . 40
6.26. RFC 2521 ICMP Security Failures Messages. . . . . . . 40
6.27. RFC 2540 Detached Domain Name System (DNS)
Information . . . . . . . . . . . . . . . . . . . . . 40
6.28. RFC 2823 PPP over Simple Data Link (SDL) using
SONET/SDH with ATM-like framing . . . . . . . . . . . 40
6.29. RFC 3123 A DNS RR Type for Lists of Address Prefixes. 40
6.30. RFC 3168 The Addition of Explicit Congestion
Notification (ECN) to IP . . . . . . . . . . . . . . 40
6.31. RFC 3180 GLOP Addressing in 233/8 . . . . . . . . . . 40
7. Summary of the Results . . . . . . . . . . . . . . . . . . . 41
7.1. Standards . . . . . . . . . . . . . . . . . . . . . . 41
7.1.1. RFC 791 Internet Protocol . . . . . . . . . . 41
7.1.2. RFC 792 Internet Control Message Protocol . . 41
7.1.3. RFC 891 DCN Networks. . . . . . . . . . . . . 41
7.1.4. RFC 894 IP over Ethernet. . . . . . . . . . . 41
7.1.5. RFC 895 IP over experimental Ethernets. . . . 41
7.1.6. RFC 922 Broadcasting Internet Datagrams in
the Presence of Subnets . . . . . . . . . . . 41
7.1.7. RFC 950 Internet Standard Subnetting
Procedure. . . . . . . . . . . . . . . . . . 42
7.1.8. RFC 1034 Domain Names: Concepts and
Facilities. . . . . . . . . . . . . . . . . . 42
7.1.9. RFC 1035 Domain Names: Implementation and
Specification . . . . . . . . . . . . . . . . 42
7.1.10. RFC 1042 IP over IEEE 802 . . . . . . . . . . 42
7.1.11. RFC 1044 IP over HyperChannel . . . . . . . . 42
7.1.12. RFC 1088 IP over NetBIOS. . . . . . . . . . . 42
7.1.13. RFC 1112 Host Extensions for IP Multicast . . 42
7.1.14. RFC 1122 Requirements for Internet Hosts. . . 42
7.1.15. RFC 1201 IP over ARCNET . . . . . . . . . . . 42
7.1.16. RFC 1209 IP over SMDS . . . . . . . . . . . . 43
7.1.17. RFC 1390 Transmission of IP and ARP over FDDI
Networks. . . . . . . . . . . . . . . . . . . 43
7.2. Draft Standards . . . . . . . . . . . . . . . . . . . 43
7.2.1. RFC 951 Bootstrap Protocol (BOOTP). . . . . . 43
7.2.2. RFC 1191 Path MTU Discovery . . . . . . . . . 43
7.2.3. RFC 1356 Multiprotocol Interconnect on X.25
and ISDN. . . . . . . . . . . . . . . . . . . 43
7.2.4. RFC 1990 The PPP Multilink Protocol (MP). . . 43
7.2.5. RFC 2067 IP over HIPPI. . . . . . . . . . . . 43
7.2.6. RFC 2131 DHCP . . . . . . . . . . . . . . . . 43
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7.3. Proposed Standards. . . . . . . . . . . . . . . . . . 44
7.3.1. RFC 1234 Tunneling IPX over IP. . . . . . . . 44
7.3.2. RFC 1256 ICMP Router Discovery. . . . . . . . 44
7.3.3. RFC 1277 Encoding Net Addresses to Support
Operation Over Non OSI Lower Layers . . . . . 44
7.3.4. RFC 1332 PPP Internet Protocol Control
Protocol (IPCP) . . . . . . . . . . . . . . . 44
7.3.5. RFC 1469 IP Multicast over Token Ring . . . . 44
7.3.6. RFC 2003 IP Encapsulation within IP . . . . . 44
7.3.7. RFC 2004 Minimal Encapsulation within IP. . . 44
7.3.8. RFC 2022 Support for Multicast over UNI
3.0/3.1 based ATM Networks. . . . . . . . . . 44
7.3.9. RFC 2113 IP Router Alert Option . . . . . . . 45
7.3.10. RFC 2165 SLP. . . . . . . . . . . . . . . . . 45
7.3.11. RFC 2225 Classical IP & ARP over ATM. . . . . 45
7.3.12. RFC 2226 IP Broadcast over ATM. . . . . . . . 45
7.3.13. RFC 2371 Transaction IPv3 . . . . . . . . . . 45
7.3.14. RFC 2625 IP and ARP over Fibre Channel. . . . 45
7.3.15. RFC 2672 Non-Terminal DNS Redirection . . . . 45
7.3.16. RFC 2673 Binary Labels in DNS . . . . . . . . 45
7.3.17. IP over Vertical Blanking Interval of a TV
Signal (RFC 2728) . . . . . . . . . . . . . . 45
7.3.18. RFC 2734 IPv4 over IEEE 1394. . . . . . . . . 45
7.3.19. RFC 2834 ARP & IP Broadcasts Over HIPPI 800 . 46
7.3.20. RFC 2835 ARP & IP Broadcasts Over HIPPI 6400. 46
7.3.21. RFC 3344 Mobility Support for IPv4. . . . . . 46
7.3.22. RFC 3376 Internet Group Management Protocol,
Version 3 . . . . . . . . . . . . . . . . . . 46
7.4. Experimental RFCs . . . . . . . . . . . . . . . . . . 46
7.4.1. RFC 1307 Dynamically Switched Link Control
Protocol. . . . . . . . . . . . . . . . . . . 46
7.4.2. RFC 1393 Traceroute using an IP Option. . . . 46
7.4.3. RFC 1735 NBMA Address Resolution Protocol
(NARP). . . . . . . . . . . . . . . . . . . . 46
7.4.4. RFC 1788 ICMP Domain Name Messages. . . . . . 46
7.4.5. RFC 1868 ARP Extension - UNARP. . . . . . . . 47
7.4.6. RFC 2143 IP Over SCSI . . . . . . . . . . . . 47
7.4.7. RFC 3180 GLOP Addressing in 233/8 . . . . . . 47
8. Security Considerations . . . . . . . . . . . . . . . . . . 47
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 47
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 47
10.1. Normative References. . . . . . . . . . . . . . . . . 47
10.2. Informative References . . . . . . . . . . . . . . . 48
11. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . 48
12. Full Copyright Statement . . . . . . . . . . . . . . . . . . 49
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1. Introduction
This document is part of a document set aiming to document all usage
of IPv4 addresses in IETF standards. In an effort to have the
information in a manageable form, it has been broken into 7 documents
conforming to the current IETF areas (Application, Internet,
Management & Operations, Routing, Security, Sub-IP and Transport).
This specific document focuses on usage of IPv4 addresses within the
Internet area.
For a full introduction, please see the introduction [1] document.
2. Document Organization
The following sections 3, 4, 5, and 6 each describe the raw analysis
of Full, Draft, and Proposed Standards, and Experimental RFCs. Each
RFC is discussed in turn starting with RFC 1 and ending in (about)
RFC 3100. The comments for each RFC are "raw" in nature. That is,
each RFC is discussed in a vacuum and problems or issues discussed do
not "look ahead" to see if any of the issues raised have already been
fixed.
Section 7 is an analysis of the data presented in Sections 3, 4, 5,
and 6. It is here that all of the results are considered as a whole
and the problems that have been resolved in later RFCs are
correlated.
3. Full Standards
Full Internet Standards (most commonly simply referred to as
"Standards") are fully mature protocol specification that are widely
implemented and used throughout the Internet.
3.1. RFC 791 Internet Protocol
This specification defines IPv4; IPv6 has been specified in separate
documents.
3.2. RFC 792 Internet Control Message Protocol
This specification defines ICMP, and is inherently IPv4 dependent.
3.3. RFC 826 Ethernet Address Resolution Protocol
There are no IPv4 dependencies in this specification.
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3.4. RFC 891 DCN Local-Network Protocols
There are many implicit assumptions about the use of IPv4 addresses
in this document.
3.5. RFC 894 Standard for the transmission of IP datagrams over
Ethernet networks
This specification specifically deals with the transmission of IPv4
packets over Ethernet.
3.6. RFC 895 Standard for the transmission of IP datagrams over
experimental Ethernet networks
This specification specifically deals with the transmission of IPv4
packets over experimental Ethernet.
3.7. RFC 903 Reverse Address Resolution Protocol
There are no IPv4 dependencies in this specification.
3.8. RFC 919 Broadcasting Internet Datagrams
This specification defines broadcasting for IPv4; IPv6 uses multicast
so this is not applicable.
3.9. RFC 922 Broadcasting Internet datagrams in the presence of subnets
This specification defines how broadcasts should be treated in the
presence of subnets. IPv6 uses multicast so this is not applicable.
3.10. RFC 950 Internet Standard Subnetting Procedure
This specification defines IPv4 subnetting; similar functionality is
part of IPv6 addressing architecture to begin with.
3.11. RFC 1034 Domain Names: Concepts and Facilities
In Section 3.6, "Resource Records", the definition of A record is:
RDATA which is the type and sometimes class dependent
data which describes the resource:
A For the IN class, a 32 bit IP address
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And Section 5.2.1, "Typical functions" defines:
1. Host name to host address translation.
This function is often defined to mimic a previous HOSTS.TXT based
function. Given a character string, the caller wants one or more
32 bit IP addresses. Under the DNS, it translates into a request
for type A RRs. Since the DNS does not preserve the order of RRs,
this function may choose to sort the returned addresses or select
the "best" address if the service returns only one choice to the
client. Note that a multiple address return is recommended, but a
single address may be the only way to emulate prior HOSTS.TXT
services.
2. Host address to host name translation
This function will often follow the form of previous functions.
Given a 32 bit IP address, the caller wants a character string.
The octets of the IP address are reversed, used as name
components, and suffixed with "IN-ADDR.ARPA". A type PTR query is
used to get the RR with the primary name of the host. For
example, a request for the host name corresponding to IP address
1.2.3.4 looks for PTR RRs for domain name "4.3.2.1.IN-ADDR.ARPA".
There are, of course, numerous examples of IPv4 addresses scattered
throughout the document.
3.12. RFC 1035 Domain Names: Implementation and Specification
Section 3.4.1, "A RDATA format", defines the format for A records:
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
where:
ADDRESS A 32 bit Internet address.
Hosts that have multiple Internet addresses will have multiple A
records.
A records cause no additional section processing. The RDATA section
of an A line in a master file is an Internet address expressed as
four decimal numbers separated by dots without any embedded spaces
(e.g.,"10.2.0.52" or "192.0.5.6").
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And Section 3.4.2, "WKS RDATA", format is:
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PROTOCOL | |
+--+--+--+--+--+--+--+--+ |
| |
/ <BIT MAP> /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
where:
ADDRESS An 32 bit Internet address
PROTOCOL An 8 bit IP protocol number
<BIT MAP> A variable length bit map. The bit map
must be a multiple of 8 bits long.
The WKS record is used to describe the well known services supported
by a particular protocol on a particular internet address. The
PROTOCOL field specifies an IP protocol number, and the bit map has
one bit per port of the specified protocol. The first bit
corresponds to port 0, the second to port 1, etc. If the bit map
does not include a bit for a protocol of interest, that bit is
assumed zero. The appropriate values and mnemonics for ports and
protocols are specified in RFC1010.
For example, if PROTOCOL=TCP (6), the 26th bit corresponds to TCP
port 25 (SMTP). If this bit is set, a SMTP server should be
listening on TCP port 25; if zero, SMTP service is not supported on
the specified address.
The purpose of WKS RRs is to provide availability information for
servers for TCP and UDP. If a server supports both TCP and UDP, or
has multiple Internet addresses, then multiple WKS RRs are used.
WKS RRs cause no additional section processing.
Section 3.5, "IN-ADDR.ARPA domain", describes reverse DNS lookups and
is clearly IPv4 dependent.
There are, of course, numerous examples of IPv4 addresses scattered
throughout the document.
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3.13. RFC 1042 Standard for the transmission of IP datagrams over IEEE
802 networks
This specification specifically deals with the transmission of IPv4
packets over IEEE 802 networks.
3.14. RFC 1044 Internet Protocol on Network System's HYPERchannel:
Protocol Specification
There are a variety of methods used in this standard to map IPv4
addresses to 32 bits fields in the HYPERchannel headers. This
specification does not support IPv6.
3.15. RFC 1055 Nonstandard for transmission of IP datagrams over serial
lines: SLIP
This specification is more of an analysis of the shortcomings of SLIP
which is unsurprising. The introduction of PPP as a general
replacement of SLIP has made this specification essentially unused.
No update need be considered.
3.16. RFC 1088 Standard for the transmission of IP datagrams over
NetBIOS networks
This specification documents a technique to encapsulate IP packets
inside NetBIOS packets.
The technique presented of using NetBIOS names of the form
IP.XX.XX.XX.XX will not work for IPv6 addresses since the length of
IPv6 addresses will not fit within the NetBIOS 15 octet name
limitation.
3.17. RFC 1112 Host Extensions for IP Multicasting
This specification defines IP multicast. Parts of the document are
IPv4 dependent.
3.18. RFC 1132 Standard for the transmission of 802.2 packets over IPX
networks
There are no IPv4 dependencies in this specification.
3.19. RFC 1201 Transmitting IP traffic over ARCNET networks
The major concerns of this specification with respect to IPv4
addresses occur in the resolution of ARCnet 8bit addresses to IPv4
addresses in an "ARPlike" method. This is incompatible with IPv6.
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3.20. RFC 1209 The Transmission of IP Datagrams over the SMDS Service
This specification defines running IPv4 and ARP over SMDS. The
methods described could easily be extended to support IPv6 packets.
3.21. RFC 1390 Transmission of IP and ARP over FDDI Networks
This specification defines the use of IPv4 address on FDDI networks.
There are numerous IPv4 dependencies in the specification.
In particular the value of the Protocol Type Code (2048 for IPv4) and
a corresponding Protocol Address length (4 bytes for IPv4) needs to
be created. A discussion of broadcast and multicast addressing
techniques is also included, and similarly must be updated for IPv6
networks. The defined MTU limitation of 4096 octets of data (with
256 octets reserved header space) should remain sufficient for IPv6.
3.22. RFC 1661 The Point-to-Point Protocol (PPP)
There are no IPv4 dependencies in this specification.
3.23. RFC 1662 PPP in HDLC-like Framing
There are no IPv4 dependencies in this specification.
3.24. RFC 2427 Multiprotocol Interconnect over Frame Relay
There are no IPv4 dependencies in this specification.
4. Draft Standards
Draft Standards represent the penultimate standard level in the IETF.
A protocol can only achieve draft standard when there are multiple,
independent, interoperable implementations. Draft Standards are
usually quite mature and widely used.
4.1. RFC 951 Bootstrap Protocol (BOOTP)
This protocol is designed specifically for use with IPv4, for
example:
Section 3. Packet Format
All numbers shown are decimal, unless indicated otherwise. The
BOOTP packet is enclosed in a standard IP UDP datagram. For
simplicity it is assumed that the BOOTP packet is never fragmented.
Any numeric fields shown are packed in 'standard network byte
order', i.e., high order bits are sent first.
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In the IP header of a bootrequest, the client fills in its own IP
source address if known, otherwise zero. When the server address is
unknown, the IP destination address will be the 'broadcast address'
255.255.255.255. This address means 'broadcast on the local cable,
(I don't know my net number)'.
FIELD BYTES DESCRIPTION
----- ----- ---
[...]
ciaddr 4 client IP address;
filled in by client in bootrequest if known.
yiaddr 4 'your' (client) IP address;
filled by server if client doesn't
know its own address (ciaddr was 0).
siaddr 4 server IP address;
returned in bootreply by server.
giaddr 4 gateway IP address,
used in optional cross-gateway booting.
Since the packet format is a fixed 300 bytes in length, an updated
version of the specification could easily accommodate an additional
48 bytes (4 IPv6 fields of 16 bytes to replace the existing 4 IPv4
fields of 4 bytes).
4.2. RFC 1188 Proposed Standard for the Transmission of IP Datagrams
over FDDI Networks
This document is clearly informally superseded by RFC 1390,
"Transmission of IP and ARP over FDDI Networks", even though no
formal deprecation has been done. Therefore, this specification is
not considered further in this memo.
4.3. RFC 1191 Path MTU discovery
The entire process of PMTU discovery is predicated on the use of the
DF bit in the IPv4 header, an ICMP message (also IPv4 dependent) and
TCP MSS option. This is not compatible with IPv6.
4.4. RFC 1356 Multiprotocol Interconnect on X.25 and ISDN
Section 3.2 defines an NLPID for IP as follows:
The value hex CC (binary 11001100, decimal 204) is IP.
Conformance with this specification requires that IP be supported.
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See section 5.1 for a diagram of the packet formats.
Clearly a new NLPID would need to be defined for IPv6 packets.
4.5. RFC 1534 Interoperation Between DHCP and BOOTP
There are no IPv4 dependencies in this specification.
4.6. RFC 1542 Clarifications and Extensions for the Bootstrap Protocol
There are no new issues other than those presented in Section 4.1.
4.7. RFC 1629 Guidelines for OSI NSAP Allocation in the Internet
There are no IPv4 dependencies in this specification.
4.8. RFC 1762 The PPP DECnet Phase IV Control Protocol (DNCP)
There are no IPv4 dependencies in this specification.
4.9. RFC 1989 PPP Link Quality Monitoring
There are no IPv4 dependencies in this specification.
4.10. RFC 1990 The PPP Multilink Protocol (MP)
Section 5.1.3, "Endpoint Discriminator Option", defines a Class
header field:
Class
The Class field is one octet and indicates the identifier address
space. The most up-to-date values of the LCP Endpoint
Discriminator Class field are specified in the most recent
"Assigned Numbers" RFC. Current values are assigned as follows:
0 Null Class
1 Locally Assigned Address
2 Internet Protocol (IP) Address
3 IEEE 802.1 Globally Assigned MAC Address
4 PPP Magic-Number Block
5 Public Switched Network Directory Number
A new class field needs to be defined by the IANA for IPv6 addresses.
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4.11. RFC 1994 PPP Challenge Handshake Authentication Protocol (CHAP)
There are no IPv4 dependencies in this specification.
4.12. RFC 2067 IP over HIPPI
Section 5.1, "Packet Formats", contains the following excerpt:
EtherType (16 bits) SHALL be set as defined in Assigned Numbers: IP
= 2048 ('0800'h), ARP = 2054 ('0806'h), RARP = 32,821 ('8035'h).
Section 5.5, "MTU", has the following definition:
The MTU for HIPPI-SC LANs is 65280 bytes.
This value was selected because it allows the IP packet to fit in
one 64K byte buffer with up to 256 bytes of overhead. The
overhead is 40 bytes at the present time; there are 216 bytes of
room for expansion.
HIPPI-FP Header 8 bytes
HIPPI-LE Header 24 bytes
IEEE 802.2 LLC/SNAP Headers 8 bytes
Maximum IP packet size (MTU) 65280 bytes
------------
Total 65320 bytes (64K - 216)
This definition is not applicable for IPv6 packets since packets can
be larger than the IPv4 limitation of 65280 bytes.
4.13. RFC 2131 Dynamic Host Configuration Protocol
This version of DHCP is highly predicated of IPv4. It is not
compatible with IPv6.
4.14. RFC 2132 DHCP Options and BOOTP Vendor Extensions
This is an extension to an IPv4-only specification.
4.15. RFC 2390 Inverse Address Resolution Protocol
There are no IPv4 dependencies in this specification.
4.16. RFC 2460 Internet Protocol, Version 6 (IPv6) Specification
This document defines IPv6 and has no IPv4 issues.
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4.17. RFC 2461 Neighbor Discovery for IP Version 6 (IPv6)
This document defines an IPv6 related specification and has no IPv4
issues.
4.18. RFC 2462 IPv6 Stateless Address Autoconfiguration
This document defines an IPv6 related specification and has no IPv4
issues.
4.19. RFC 2463 Internet Control Message Protocol (ICMPv6) for the
Internet Protocol Version 6 (IPv6) Specification
This document defines an IPv6 related specification and has no IPv4
issues.
4.20. RFC 3596 DNS Extensions to support IP version 6
This specification defines the AAAA record for IPv6 as well as PTR
records using the ip6.arpa domain, and as such has no IPv6 issues.
5. Proposed Standards
Proposed Standards are introductory level documents. There are no
requirements for even a single implementation. In many cases,
Proposed are never implemented or advanced in the IETF standards
process. They, therefore, are often just proposed ideas that are
presented to the Internet community. Sometimes flaws are exposed or
they are one of many competing solutions to problems. In these later
cases, no discussion is presented as it would not serve the purpose
of this discussion.
5.1. RFC 1234 Tunneling IPX traffic through IP networks
The section "Unicast Address Mappings" has the following text:
For implementations of this memo, the first two octets of the host
number will always be zero and the last four octets will be the
node's four octet IP address. This makes address mapping trivial
for unicast transmissions: the first two octets of the host number
are discarded, leaving the normal four octet IP address. The
encapsulation code should use this IP address as the destination
address of the UDP/IP tunnel packet.
This mapping will not be able to work with IPv6 addresses.
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There are also numerous discussions on systems keeping a "peer list"
to map between IP and IPX addresses. The specifics are not discussed
in the document and are left to the individual implementation.
The section "Maximum Transmission Unit" also has some implications on
IP addressing:
Although larger IPX packets are possible, the standard maximum
transmission unit for IPX is 576 octets. Consequently, 576 octets
is the recommended default maximum transmission unit for IPX packets
being sent with this encapsulation technique. With the eight octet
UDP header and the 20 octet IP header, the resulting IP packets will
be 604 octets long. Note that this is larger than the 576 octet
maximum size IP implementations are required to accept. Any IP
implementation supporting this encapsulation technique must be
capable of receiving 604 octet IP packets.
As improvements in protocols and hardware allow for larger,
unfragmented IP transmission units, the 576 octet maximum IPX packet
size may become a liability. For this reason, it is recommended
that the IPX maximum transmission unit size be configurable in
implementations of this memo.
5.2. RFC 1256 ICMP Router Discovery Messages
This specification defines a mechanism very specific to IPv4.
5.3. RFC 1277 Encoding Network Addresses to Support Operation over
Non-OSI Lower Layers
Section 4.5, "TCP/IP (RFC 1006) Network Specific Format" describes a
structure that reserves 12 digits for the textual representation of
an IP address.
This 12 octet field for decimal versions of IP addresses is
insufficient for a decimal version of IPv6 addresses. It is possible
to define a new encoding using the 20 digit long IP Address + Port +
Transport Set fields in order to accommodate a binary version of an
IPv6 address, port number and Transport Set. There are several
schemes that could be envisioned.
5.4. RFC 1332 The PPP Internet Protocol Control Protocol (IPCP)
This specification defines a mechanism for devices to assign IPv4
addresses to PPP clients once PPP negotiation is completed. Section
3, "IPCP Configuration Options", defines IPCP option types which
embed the IP address in 4-byte long fields. This is clearly not
enough for IPv6.
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However, the specification is clearly designed to allow new Option
Types to be added and Should offer no problems for use with IPv6 once
appropriate options have been defined.
5.5. RFC 1377 The PPP OSI Network Layer Control Protocol (OSINLCP)
There are no IPv4 dependencies in this specification.
5.6. RFC 1378 The PPP AppleTalk Control Protocol (ATCP)
There are no IPv4 dependencies in this specification.
5.7. RFC 1469 IP Multicast over Token-Ring Local Area Networks
This document defines the usage of IPv4 multicast over IEEE 802.5
Token Ring networks. This is not compatible with IPv6.
5.8. RFC 1552 The PPP Internetworking Packet Exchange Control Protocol
(IPXCP)
There are no IPv4 dependencies in this specification.
5.9. RFC 1570 PPP LCP Extensions
There are no IPv4 dependencies in this specification.
5.10. RFC 1598 PPP in X.25 PPP-X25
There are no IPv4 dependencies in this specification.
5.11. RFC 1618 PPP over ISDN
There are no IPv4 dependencies in this specification.
5.12. RFC 1663 PPP Reliable Transmission
There are no IPv4 dependencies in this specification.
5.13. RFC 1752 The Recommendation for the IP Next Generation Protocol
This document defines a road map for IPv6 development and is not
relevant to this discussion.
5.14. RFC 1755 ATM Signaling Support for IP over ATM
There are no IPv4 dependencies in this specification.
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5.15. RFC 1763 The PPP Banyan Vines Control Protocol (BVCP)
There are no IPv4 dependencies in this specification.
5.16. RFC 1764 The PPP XNS IDP Control Protocol (XNSCP)
There are no IPv4 dependencies in this specification.
5.17. RFC 1973 PPP in Frame Relay
There are no IPv4 dependencies in this specification.
5.18. RFC 1981 Path MTU Discovery for IP version 6
This specification describes an IPv6 related specification and is not
discussed in this document.
5.19. RFC 1982 Serial Number Arithmetic
There are no IPv4 dependencies in this specification.
5.20. RFC 1995 Incremental Zone Transfer in DNS
Although the examples used in this document use IPv4 addresses,
(i.e., A records) there is nothing in the specification to preclude
full and proper functionality using IPv6.
5.21. RFC 1996 A Mechanism for Prompt Notification of Zone Changes (DNS
NOTIFY)
There are no IPv4 dependencies in this specification.
5.22. RFC 2003 IP Encapsulation within IP
This document is designed for use in IPv4 networks. There are many
references to a specified IP version number of 4 and 32-bit
addresses. This is incompatible with IPv6.
5.23. RFC 2004 Minimal Encapsulation within IP
This document is designed for use in IPv4 networks. There are many
references to a specified IP version number of 4 and 32-bit
addresses. This is incompatible with IPv6.
5.24. RFC 2005 Applicability Statement for IP Mobility Support
This specification documents the interoperation of IPv4 Mobility
Support; this is not relevant to this discussion.
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5.25. RFC 2022 Support for Multicast over UNI 3.0/3.1 based ATM
Networks
This specification specifically maps IPv4 multicast in UNI based ATM
networks. This is incompatible with IPv6.
5.26. RFC 2043 The PPP SNA Control Protocol (SNACP)
There are no IPv4 dependencies in this specification.
5.27. RFC 2097 The PPP NetBIOS Frames Control Protocol (NBFCP)
There are no IPv4 dependencies in this specification.
5.28. RFC 2113 IP Router Alert Option
This document provides a new mechanism for IPv4. This is
incompatible with IPv6.
5.29. RFC 2125 The PPP Bandwidth Allocation Protocol (BAP) / The PPP
Bandwidth Allocation Control Protocol (BACP)
There are no IPv4 dependencies in this specification.
5.30. RFC 2136 Dynamic Updates in the Domain Name System (DNS UPDATE)
There are no IPv4 dependencies in this specification.
5.31. RFC 2181 Clarifications to the DNS Specification
There are no IPv4 dependencies in this specification. The only
reference to IP addresses discuss the use of an anycast address, so
but one can assume that these techniques are IPv6 operable.
5.32. RFC 2225 Classical IP and ARP over ATM
From the many references in this document, it is clear that this
document is designed for IPv4 only. It is only later in the document
that it is implicitly stated, as in:
ar$spln - length in octets of the source protocol address. Value
range is 0 or 4 (decimal). For IPv4 ar$spln is 4.
ar$tpln - length in octets of the target protocol address. Value
range is 0 or 4 (decimal). For IPv4 ar$tpln is 4.
and:
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For backward compatibility with previous implementations, a null
IPv4 protocol address may be received with length = 4 and an
allocated address in storage set to the value 0.0.0.0. Receiving
stations must be liberal in accepting this format of a null IPv4
address. However, on transmitting an ATMARP or InATMARP packet, a
null IPv4 address must only be indicated by the length set to zero
and must have no storage allocated.
5.33. RFC 2226 IP Broadcast over ATM Networks
This document is limited to IPv4 multicasting. This is incompatible
with IPv6.
5.34. RFC 2241 DHCP Options for Novell Directory Services
This is an extension to an IPv4-only specification.
5.35. RFC 2242 NetWare/IP Domain Name and Information
This is an extension to an IPv4-only specification, for example:
PREFERRED_DSS (code 6)
Length is (n * 4) and the value is an array of n IP addresses,
each four bytes in length. The maximum number of addresses is
5 and therefore the maximum length value is 20. The list
contains the addresses of n NetWare Domain SAP/RIP Server
(DSS).
NEAREST_NWIP_SERVER (code 7)
Length is (n * 4) and the value is an array of n IP addresses,
each four bytes in length. The maximum number of addresses is
5 and therefore the maximum length value is 20. The list
contains the addresses of n Nearest NetWare/IP servers.
PRIMARY_DSS (code 11)
Length of 4, and the value is a single IP address. This field
identifies the Primary Domain SAP/RIP Service server (DSS) for
this NetWare/IP domain. NetWare/IP administration utility uses
this value as Primary DSS server when configuring a secondary
DSS server.
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5.36. RFC 2290 Mobile-IPv4 Configuration Option for PPP IPCP
This document is designed for use with Mobile IPv4. There are
numerous referrals to other IP "support" mechanisms (i.e., ICMP
Router Discover Messages) that specifically refer to the IPv4 of
ICMP.
5.37. RFC 2308 Negative Caching of DNS Queries (DNS NCACHE)
Although there are numerous examples in this document that use IPv4
"A" records, there is nothing in the specification that limits its
effectiveness to IPv4.
5.38. RFC 2331 ATM Signaling Support for IP over ATM - UNI Signaling
4.0 Update
There are no IPv4 dependencies in this specification.
5.39. RFC 2332 NBMA Next Hop Resolution Protocol (NHRP)
This document is very generic in its design and seems to be able to
support numerous layer 3 addressing schemes and should include both
IPv4 and IPv6.
5.40. RFC 2333 NHRP Protocol Applicability
This document is very generic in its design and seems to be able to
support numerous layer 3 addressing schemes and should include both
IPv4 and IPv6.
5.41. RFC 2335 A Distributed NHRP Service Using SCSP
There are no IPv4 dependencies in this specification.
5.42. RFC 2363 PPP Over FUNI
There are no IPv4 dependencies in this specification.
5.43. RFC 2364 PPP Over AAL5
There are no IPv4 dependencies in this specification.
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5.44. RFC 2371 Transaction Internet Protocol Version 3.0 (TIPV3)
This document states:
TIP transaction manager addresses take the form:
<hostport><path>
The <hostport> component comprises:
<host>[:<port>]
where <host> is either a <dns name> or an <ip address>; and <port>
is a decimal number specifying the port at which the transaction
manager (or proxy) is listening for requests to establish TIP
connections. If the port number is omitted, the standard TIP port
number (3372) is used.
A <dns name> is a standard name, acceptable to the domain name
service. It must be sufficiently qualified to be useful to the
receiver of the command.
An <ip address> is an IP address, in the usual form: four decimal
numbers separated by period characters.
And further along it states:
A TIP URL takes the form:
tip://<transaction manager address>?<transaction string>
where <transaction manager address> identifies the TIP transaction
manager (as defined in Section 7 above); and <transaction string>
specifies a transaction identifier, which may take one of two
forms (standard or non-standard):
i. "urn:" <NID> ":" <NSS>
A standard transaction identifier, conforming to the proposed
Internet Standard for Uniform Resource Names (URNs), as specified
by RFC2141; where <NID> is the Namespace Identifier, and <NSS> is
the Namespace Specific String. The Namespace ID determines the
syntactic interpretation of the Namespace Specific String. The
Namespace Specific String is a sequence of characters representing
a transaction identifier (as defined by <NID>). The rules for
the contents of these fields are specified by RFC2141 (valid
characters, encoding, etc.).
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This format of <transaction string> may be used to express global
transaction identifiers in terms of standard representations.
Examples for <NID> might be <iso> or <xopen>, e.g.,
tip://123.123.123.123/?urn:xopen:xid
Note that Namespace Ids require registration.
ii. <transaction identifier>
A sequence of printable ASCII characters (octets with values in
the range 32 through 126 inclusive (excluding ":") representing a
transaction identifier. In this non-standard case, it is the
combination of <transaction manager address> and <transaction
identifier> which ensures global uniqueness, e.g.,
tip://123.123.123.123/?transid1
These are incompatible with IPv6.
5.45. RFC 2464 Transmission of IPv6 Packets over Ethernet Networks
This specification documents a method for transmitting IPv6 packets
over Ethernet and is not considered in this discussion.
5.46. RFC 2467 Transmission of IPv6 Packets over FDDI Networks
This specification documents a method for transmitting IPv6 packets
over FDDI and is not considered in this discussion.
5.47. RFC 2470 Transmission of IPv6 Packets over Token Ring Networks
This specification documents a method for transmitting IPv6 packets
over Token Ring and is not considered in this discussion.
5.48. RFC 2472 IP Version 6 over PPP
This specification documents a method for transmitting IPv6 packets
over PPP and is not considered in this discussion.
5.49. RFC 2473 Generic Packet Tunneling in IPv6 Specification
This specification documents an IPv6 aware specification and is not
considered in this discussion.
5.50. RFC 2484 PPP LCP Internationalization Configuration Option
There are no IPv4 dependencies in this specification.
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5.51. RFC 2485 DHCP Option for The Open Group's User Authentication
Protocol
This is an extension to an IPv4-only specification.
5.52. RFC 2486 The Network Access Identifier
There are no IPv4 dependencies in this specification.
5.53. RFC 2491 IPv6 over Non-Broadcast Multiple Access (NBMA) Networks
This specification documents a method for transmitting IPv6 packets
over NBMA networks and is not considered in this discussion.
5.54. RFC 2492 IPv6 over ATM Networks
This specification documents a method for transmitting IPv6 packets
over ATM networks and is not considered in this discussion.
5.55. RFC 2497 Transmission of IPv6 Packets over ARCnet Networks
This specification documents a method for transmitting IPv6 packets
over ARCnet networks and is not considered in this discussion.
5.56. RFC 2507 IP Header Compression
This specification is both IPv4 and IPv6 aware.
5.57. RFC 2526 Reserved IPv6 Subnet Anycast Addresses
This specification documents IPv6 addressing and is not discussed in
this document.
5.58. RFC 2529 Transmission of IPv6 over IPv4 Domains without Explicit
Tunnels
This specification documents IPv6 transmission methods and is not
discussed in this document.
5.59. RFC 2563 DHCP Option to Disable Stateless Auto-Configuration in
IPv4 Clients
This is an extension to an IPv4-only specification.
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5.60. RFC 2590 Transmission of IPv6 Packets over Frame Relay Networks
Specification
This specification documents IPv6 transmission method over Frame
Relay and is not discussed in this document.
5.61. RFC 2601 ILMI-Based Server Discovery for ATMARP
This specification is both IPv4 and IPv6 aware.
5.62. RFC 2602 ILMI-Based Server Discovery for MARS
This specification is both IPv4 and IPv6 aware.
5.63. RFC 2603 ILMI-Based Server Discovery for NHRP
This specification is both IPv4 and IPv6 aware.
5.64. RFC 2610 DHCP Options for Service Location Protocol
This is an extension to an IPv4-only specification.
5.65. RFC 2615 PPP over SONET/SDH
There are no IPv4 dependencies in this specification.
5.66. RFC 2625 IP and ARP over Fibre Channel
This document states:
Objective and Scope:
The major objective of this specification is to promote
interoperable implementations of IPv4 over FC. This
specification describes a method for encapsulating IPv4 and
Address Resolution Protocol (ARP) packets over FC.
This is incompatible with IPv6.
5.67. RFC 2661 Layer Two Tunneling Protocol (L2TP)
There are no IPv4 dependencies in this specification.
5.68. RFC 2671 Extension Mechanisms for DNS (EDNS0)
There are no IPv4 dependencies in this specification.
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5.69. RFC 2672 Non-Terminal DNS Name Redirection
This document is only defined for IPv4 addresses. An IPv6
specification may be needed.
5.70. RFC 2673 Binary Labels in the Domain Name System
This document is only defined for IPv4 addresses. An IPv6
specification may be needed.
5.71. RFC 2675 IPv6 Jumbograms
This document defines a IPv6 packet format and is therefore not
discussed in this document.
5.72. RFC 2684 Multiprotocol Encapsulation over ATM Adaptation Layer 5
There are no IPv4 dependencies in this specification.
5.73. RFC 2685 Virtual Private Networks Identifier
There are no IPv4 dependencies in this specification.
5.74. RFC 2686 The Multi-Class Extension to Multi-Link PPP
There are no IPv4 dependencies in this specification.
5.75. RFC 2687 PPP in a Real-time Oriented HDLC-like Framing
There are no IPv4 dependencies in this specification.
5.76. RFC 2688 Integrated Services Mappings for Low Speed Networks
There are no IPv4 dependencies in this specification.
5.77. RFC 2710 Multicast Listener Discovery (MLD) for IPv6
This document defines an IPv6 specific specification and is not
discussed in this document.
5.78. RFC 2711 IPv6 Router Alert Option
This document defines an IPv6 specific specification and is not
discussed in this document.
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5.79. RFC 2728 The Transmission of IP Over the Vertical Blanking
Interval of a Television Signal
The following data format is defined:
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|0| group | uncompressed IP header (20 bytes) |
+-+-+-+-+-+-+-+-+ +
| |
: .... :
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | uncompressed UDP header (8 bytes) |
+-+-+-+-+-+-+-+-+ +
| |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| | payload (<1472 bytes) |
+-+-+-+-+-+-+-+-+ +
| |
: .... :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| CRC |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
This is incompatible with IPv6.
5.80. RFC 2734 IPv4 over IEEE 1394
This specification is IPv4 only.
5.81. RFC 2735 NHRP Support for Virtual Private Networks
This specification implies only IPv4 operations, but does not seem to
present any reason that it would not function for IPv6.
5.82. RFC 2765 Stateless IP/ICMP Translation Algorithm (SIIT)
This specification defines a method for IPv6 transition and is not
discussed in this document.
5.83. RFC 2766 Network Address Translation - Protocol Translation
(NAT-PT)
This specification defines a method for IPv6 transition and is not
discussed in this document.
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5.84. RFC 2776 Multicast-Scope Zone Announcement Protocol (MZAP)
This specification is both IPv4 and IPv6 aware and needs no changes.
5.85. RFC 2782 A DNS RR for specifying the location of services
There are no IPv4 dependencies in this specification.
5.86. RFC 2794 Mobile IP Network Access Identifier Extension for IPv4
This is an extension to an IPv4-only specification.
5.87. RFC 2834 ARP and IP Broadcast over HIPPI-800
This document uses the generic term "IP Address" in the text but it
also contains the text:
The HARP message has several fields that have the following format
and values:
Data sizes and field meaning:
ar$hrd 16 bits Hardware type
ar$pro 16 bits Protocol type of the protocol fields below
ar$op 16 bits Operation code (request, reply, or NAK)
ar$pln 8 bits byte length of each protocol address
ar$rhl 8 bits requester's HIPPI hardware address length (q)
ar$thl 8 bits target's HIPPI hardware address length (x)
ar$rpa 32 bits requester's protocol address
ar$tpa 32 bits target's protocol address
ar$rha qbytes requester's HIPPI Hardware address
ar$tha xbytes target's HIPPI Hardware address
Where:
ar$hrd - SHALL contain 28. (HIPARP)
ar$pro - SHALL contain the IP protocol code 2048 (decimal).
ar$op - SHALL contain the operational value (decimal):
1 for HARP_REQUESTs
2 for HARP_REPLYs
8 for InHARP_REQUESTs
9 for InHARP_REPLYs
10 for HARP_NAK
ar$pln - SHALL contain 4.
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And later:
31 28 23 21 15 10 7 2 0
+-----+---------+-+-+-----------+---------+-----+---------+-----+
0 | 04 |1|0| 000 | 03 | 0 |
+---------------+-+-+---------------------+---------------+-----+
1 | 45 |
+-----+-+-------+-----------------------+-----------------------+
2 |[LA] |W|MsgT= 0| 000 | Dest. Switch Addr |
+-----+-+-------+-----------------------+-----------------------+
3 | 2 | 2 | 000 | Source Switch Addr |
+---------------+---------------+-------+-----------------------+
4 | 00 00 | |
+-------------------------------+ |
5 | Destination ULA |
+-------------------------------+-------------------------------+
6 | [LA] | |
+-------------------------------+ |
7 | Source ULA |
+===============+===============+===============+===============+
8 | AA | AA | 03 | 00 |
+---------------+---------------+---------------+---------------+
9 | 00 | 00 | Ethertype (2054) |
+---------------+---------------+-------------------------------+
10 | hrd (28) | pro (2048) |
+---------------+---------------+---------------+---------------+
11 | op (ar$op) | pln (6) | rhl (q) |
+---------------+---------------+---------------+---------------+
12 | thl = (x) | Requester IP Address upper (24 bits) |
+---------------------------------------------------------------+
13 | Req. IP lower | Target IP Address upper (24 bits) |
+---------------+-----------------------------------------------+
14 | Tgt. IP lower | Requester HIPPI Hardware Address bytes 0 - 2 |
+---------------+-----------------------------------------------+
15 | Requester HIPPI Hardware Address bytes 3 - 6 |
+-----------------------------------------------+---------------+
16 | Requester HW Address bytes 7 - q | Tgt HW byte 0 |
+---------------+---------------+---------------+---------------+
17 | Target HIPPI Hardware Address bytes 1 - 4 |
+---------------------------------------------------------------+
18 | Target HIPPI Hardware Address bytes 5 - 8 |
+---------------+---------------+---------------+---------------+
19 |Tgt HW byte 9-x| FILL | FILL | FILL |
+---------------+---------------+---------------+---------------+
HARP - InHARP Message
This is incompatible with IPv6.
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5.88. RFC 2835 IP and ARP over HIPPI-6400
This document states:
The Ethertype value SHALL be set as defined in Assigned Numbers:
IP 0x0800 2048 (16 bits)
This is limited to IPv4, and similar to the previous section,
incompatible with IPv6. There are numerous other points in the
documents that confirm this assumption.
5.89. RFC 2855 DHCP for IEEE 1394
This is an extension to an IPv4-only specification.
5.90. RFC 2874 DNS Extensions to Support IPv6 Address Aggregation and
Renumbering
This document defines a specification to interact with IPv6 and is
not considered in this document.
5.91. RFC 2893 Transition Mechanisms for IPv6 Hosts and Routers
This document defines a transition mechanism for IPv6 and is not
considered in this document.
5.92. RFC 2916 E.164 number and DNS
There are no IPv4 dependencies in this specification.
5.93. RFC 2937 The Name Service Search Option for DHCP
This is an extension to an IPv4-only specification.
5.94. RFC 3004 The User Class Option for DHCP
This is an extension to an IPv4-only specification.
5.95. RFC 3011 The IPv4 Subnet Selection Option for DHCP
This is an extension to an IPv4-only specification.
5.96. RFC 3021 Using 31-Bit Prefixes for IPv4 P2P Links
This specification is specific to IPv4 address architecture, where a
modification is needed to use both addresses of a 31-bit prefix.
This is possible by IPv6 address architecture, but in most cases not
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recommended; see RFC 3627, Use of /127 Prefix Length Between Routers
Considered Harmful.
5.97. RFC 3024 Reverse Tunneling for Mobile IP, revised
This is an extension to an IPv4-only specification.
5.98. RFC 3046 DHCP Relay Agent Information Option
This is an extension to an IPv4-only specification.
5.99. RFC 3056 Connection of IPv6 Domains via IPv4 Clouds
This is an IPv6 related document and is not discussed in this
document.
5.100. RFC 3068 An Anycast Prefix for 6to4 Relay Routers
This is an IPv6 related document and is not discussed in this
document.
5.101. RFC 3070 Layer Two Tunneling Protocol (L2TP) over Frame Relay
There are no IPv4 dependencies in this specification.
5.102. RFC 3074 DHC Load Balancing Algorithm
There are no IPv4 dependencies in this specification.
5.103. RFC 3077 A Link-Layer Tunneling Mechanism for Unidirectional
Links
This specification is both IPv4 and IPv6 aware and needs no changes.
5.104. RFC 3115 Mobile IP Vendor/Organization-Specific Extensions
This is an extension to an IPv4-only specification.
5.105. RFC 3145 L2TP Disconnect Cause Information
There are no IPv4 dependencies in this specification.
5.106. RFC 3344 IP Mobility Support for IPv4
There are IPv4 dependencies in this specification.
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5.107. RFC 3376 Internet Group Management Protocol, Version 3
This document describes of version of IGMP used for IPv4 multicast.
This is not compatible with IPv6.
5.108. RFC 3402 Dynamic Delegation Discovery System (DDDS) Part Two:
The Algorithm
There are no IPv4 dependencies in this specification.
5.109. RFC 3403 Dynamic Delegation Discovery System (DDDS) Part Three:
The Domain Name System (DNS) Database
There are no IPv4 dependencies in this specification.
5.110. RFC 3513 IP Version 6 Addressing Architecture
This specification documents IPv6 addressing and is not discussed in
this document.
5.111. RFC 3518 Point-to-Point Protocol (PPP) Bridging Control
Protocol (BCP)
There are no IPv4 dependencies in this specification.
6. Experimental RFCs
Experimental RFCs typically define protocols that do not have wide
scale implementation or usage on the Internet. They are often
propriety in nature or used in limited arenas. They are documented
to the Internet community in order to allow potential
interoperability or some other potential useful scenario. In a few
cases they are presented as alternatives to the mainstream solution
to an acknowledged problem.
6.1. RFC 1149 Standard for the transmission of IP datagrams on avian
carriers
There are no IPv4 dependencies in this specification. In fact the
flexibility of this specification is such that all versions of IP
should function within its boundaries, presuming that the packets
remain small enough to be transmitted with the 256 milligrams weight
limitations.
6.2. RFC 1183 New DNS RR Definitions
There are no IPv4 dependencies in this specification.
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6.3. RFC 1226 Internet protocol encapsulation of AX.25 frames
There are no IPv4 dependencies in this specification.
6.4. RFC 1241 Scheme for an internet encapsulation protocol: Version 1
This specification defines a specification that assumes IPv4 but does
not actually have any limitations which would limit its operation in
an IPv6 environment.
6.5. RFC 1307 Dynamically Switched Link Control Protocol
This specification is IPv4 dependent, for example:
3.1 Control Message Format
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Identifier | Total length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Function | Event Status |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Endpoint 1 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Endpoint 2 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Message |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Body |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Endpoint addresses: 32 bits each
The internet addresses of the two communicating parties for which the
link is being prepared.
6.6. RFC 1393 Traceroute Using an IP Option
This document uses an IPv4 option. It is therefore limited to IPv4
networks, and is incompatible with IPv6.
6.7. RFC 1433 Directed ARP
There are no IPv4 dependencies in this specification.
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6.8. RFC 1464 Using the Domain Name System To Store Arbitrary String
Attributes
There are no IPv4 dependencies in this specification.
6.9. RFC 1475 TP/IX: The Next Internet
This document defines IPv7 and has been abandoned by the IETF as a
feasible design. It is not considered in this document.
6.10. RFC 1561 Use of ISO CLNP in TUBA Environments
This document defines the use of NSAP addressing and does not use any
version of IP, so there are no IPv4 dependencies in this
specification.
6.11. RFC 1712 DNS Encoding of Geographical Location
There are no IPv4 dependencies in this specification.
6.12. RFC 1735 NBMA Address Resolution Protocol (NARP)
This document defines a specification that is IPv4 specific, for
example:
4. Packet Formats
NARP requests and replies are carried in IP packets as protocol type
54. This section describes the packet formats of NARP requests and
replies:
NARP Request
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Version | Hop Count | Checksum |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Code | Unused |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Destination IP address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Source IP address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| NBMA length | NBMA address |
+-+-+-+-+-+-+-+-+ |
| (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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Source and Destination IP Addresses
Respectively, these are the IP addresses of the NARP requester
and the target terminal for which the NBMA address is desired.
And:
NARP Reply
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Version | Hop Count | Checksum |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Code | Unused |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Destination IP address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Source IP address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| NBMA length | NBMA address |
+-+-+-+-+-+-+-+-+ |
| (variable length) |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Source and Destination IP Address
Respectively, these are the IP addresses of the NARP requester
and the target terminal for which the NBMA address is desired.
This is incompatible with IPv6.
6.13. RFC 1768 Host Group Extensions for CLNP Multicasting
This specification defines multicasting for CLNP, which is not an IP
protocol, and therefore has no IPv4 dependencies.
6.14. RFC 1788 ICMP Domain Name Messages
This specification is used for updates to the in-addr.arpa reverse
DNS maps, and is limited to IPv4.
6.15. RFC 1797 Class A Subnet Experiment
This document is specific to IPv4 address architecture, and as such,
has no IPv6 dependencies.
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6.16. RFC 1819 Internet Stream Protocol Version 2 (ST2) Protocol
Specification - Version ST2+
This specification is IPv4 limited. In fact it is the definition of
IPv5. It has been abandoned by the IETF as feasible design, and is
not considered in this discussion.
6.17. RFC 1868 ARP Extension - UNARP
This specification defines an extension to IPv4 ARP to delete entries
from ARP caches on a link.
6.18. RFC 1876 A Means for Expressing Location Information in the
Domain Name System
This document defines a methodology for applying this technology
which is IPv4 dependent. The specification itself has no IPv4
dependencies.
6.19. RFC 1888 OSI NSAPs and IPv6
This is an IPv6 related document and is not discussed in this
document.
6.20. RFC 2009 GPS-Based Addressing and Routing
The document states:
The future version of IP (IP v6) will certainly have a
sufficient number of bits in its addressing space to provide an
address for even smaller GPS addressable units. In this
proposal, however, we assume the current version of IP (IP v4)
and we make sure that we manage the addressing space more
economically than that. We will call the smallest GPS
addressable unit a GPS-square.
This specification does not seem to have real IPv4 dependencies.
6.21. RFC 2143 Encapsulating IP with the SCSI
This specification will only operate using IPv4. As stated in the
document:
It was decided that the ten byte header offers the greatest
flexibility for encapsulating version 4 IP datagrams for the
following reasons: [...]
This is incompatible with IPv6.
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6.22. RFC 2345 Domain Names and Company Name Retrieval
There are no IPv4 dependencies in this specification.
6.23. RFC 2443 A Distributed MARS Service Using SCSP
This document gives default values for use on IPv4 networks, but is
designed to be extensible so it will work with IPv6 with appropriate
IANA definitions.
6.24. RFC 2471 IPv6 Testing Address Allocation
This is an IPv6 related document and is not discussed in this
document.
6.25. RFC 2520 NHRP with Mobile NHCs
This specification is both IPv4 and IPv6 aware and needs no changes.
6.26. RFC 2521 ICMP Security Failures Messages
There are no IPv4 dependencies in this specification.
6.27. RFC 2540 Detached Domain Name System (DNS) Information
There are no IPv4 dependencies in this specification.
6.28. RFC 2823 PPP over Simple Data Link (SDL) using SONET/SDH with
ATM-like framing
There are no IPv4 dependencies in this specification.
6.29. RFC 3123 A DNS RR Type for Lists of Address Prefixes
This specification is both IPv4 and IPv6 aware and needs no changes.
6.30. RFC 3168 The Addition of Explicit Congestion Notification (ECN)
to IP
This specification is both IPv4 and IPv6 aware and needs no changes.
6.31. RFC 3180 GLOP Addressing in 233/8
This document is specific to IPv4 multicast addressing.
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7. Summary of the Results
In the initial survey of RFCs 52 positives were identified out of a
total of 186, broken down as follows:
Standards: 17 out of 24 or 70.83%
Draft Standards: 6 out of 20 or 30.00%
Proposed Standards: 22 out of 111 or 19.91%
Experimental RFCs: 7 out of 31 or 22.58%
Of those identified many require no action because they document
outdated and unused protocols, while others are document protocols
that are actively being updated by the appropriate working groups.
Additionally there are many instances of standards that should be
updated but do not cause any operational impact if they are not
updated.
7.1. Standards
7.1.1. RFC 791 Internet Protocol
RFC 791 has been updated in the definition of IPv6 in RFC 2460.
7.1.2. RFC 792 Internet Control Message Protocol
RFC 792 has been updated in the definition of ICMPv6 in RFC 2463.
7.1.3. RFC 891 DCN Networks
DCN has long since been ceased to be used, so this specification is
no longer relevant.
7.1.4. RFC 894 IP over Ethernet
This problem has been fixed by RFC 2464, A Method for the
Transmission of IPv6 Packets over Ethernet Networks.
7.1.5. RFC 895 IP over experimental Ethernets
It is believed that experimental Ethernet networks are not being used
anymore, so the specification is no longer relevant.
7.1.6. RFC 922 Broadcasting Internet Datagrams in the Presence of
Subnets
Broadcasting is not used in IPv6, but similar functionality has been
included in RFC 3513, IPv6 Addressing Architecture.
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7.1.7. RFC 950 Internet Standard Subnetting Procedure
Broadcasting is not used in IPv6, but similar functionality has been
included in RFC 3513, IPv6 Addressing Architecture.
7.1.8. RFC 1034 Domain Names: Concepts and Facilities
The problems have been fixed by defining new resource records for
IPv6 addresses.
7.1.9. RFC 1035 Domain Names: Implementation and Specification
The problems have been fixed by defining new resource records for
IPv6 addresses.
7.1.10. RFC 1042 IP over IEEE 802
This problem has been fixed by RFC 2470, Transmission of IPv6 Packets
over Token Ring Networks.
7.1.11. RFC 1044 IP over HyperChannel
No updated document exists for this specification. It is unclear
whether one is needed.
7.1.12. RFC 1088 IP over NetBIOS
No updated document exists for this specification. It is unclear
whether one is needed.
7.1.13. RFC 1112 Host Extensions for IP Multicast
The IPv4-specific parts of RFC 1112 have been updated in RFC 2710,
Multicast Listener Discovery for IPv6.
7.1.14. RFC 1122 Requirements for Internet Hosts
RFC 1122 is essentially a requirements document for IPv4 hosts.
Similar work is in progress [2].
7.1.15. RFC 1201 IP over ARCNET
This problem has been fixed by RFC 2497, A Method for the
Transmission of IPv6 Packets over ARCnet Networks.
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7.1.16. RFC 1209 IP over SMDS
No updated document exists for this specification. It is unclear
whether one is needed.
7.1.17. RFC 1390 Transmission of IP and ARP over FDDI Networks
This problem has been fixed by RFC 2467, Transmission of IPv6 Packets
over FDDI Networks.
7.2. Draft Standards
7.2.1. RFC 951 Bootstrap Protocol (BOOTP)
This problem has been fixed by RFC 2462, IPv6 Stateless Address
Autoconfiguration, and RFC 3315, Dynamic Host Configuration Protocol
for IPv6 (DHCPv6).
7.2.2. RFC 1191 Path MTU Discovery
This problem has been fixed in RFC 1981, Path MTU Discovery for IP
version 6.
7.2.3. RFC 1356 Multiprotocol Interconnect on X.25 and ISDN
This problem can be fixed by defining a new NLPID for IPv6. Note
that an NLPID has already been defined in RFC 2427, Multiprotocol
Interconnect over Frame Relay.
7.2.4. RFC 1990 The PPP Multilink Protocol (MP)
A new class identifier ("6") for IPv6 packets has been registered
with the IANA by the original author, fixing this problem.
7.2.5. RFC 2067 IP over HIPPI
No updated document exists for this specification. It is unclear
whether one is needed.
7.2.6. RFC 2131 DHCP
This problem has been fixed in RFC 3315, Dynamic Host Configuration
Protocol for IPv6 (DHCPv6).
Further, the consensus of the DHC WG has been that the options
defined for DHCPv4 will not be automatically "carried forward" to
DHCPv6. Therefore, any further analysis of additionally specified
DHCPv4 Options has been omitted from this memo.
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7.3. Proposed Standards
7.3.1. RFC 1234 Tunneling IPX over IP
No updated document exists for this specification. In practice, the
similar effect can be achieved by the use of a layer 2 tunneling
protocol. It is unclear whether an updated document is needed.
7.3.2. RFC 1256 ICMP Router Discovery
This problem has been resolved in RFC 2461, Neighbor Discovery for IP
Version 6 (IPv6).
7.3.3. RFC 1277 Encoding Net Addresses to Support Operation Over Non
OSI Lower Layers
No updated document exists for this specification; the problem might
be resolved by the creation of a new encoding scheme if necessary.
It is unclear whether an update is needed.
7.3.4. RFC 1332 PPP Internet Protocol Control Protocol (IPCP)
This problem has been resolved in RFC 2472, IP Version 6 over PPP.
7.3.5. RFC 1469 IP Multicast over Token Ring
The functionality of this specification has been essentially covered
in RFC 2470, Transmission of IPv6 Packets over Token Ring Networks.
7.3.6. RFC 2003 IP Encapsulation within IP
This problem has been fixed by defining different IP-in-IP
encapsulation, for example, RFC 2473, Generic Packet Tunneling in
IPv6 Specification.
7.3.7. RFC 2004 Minimal Encapsulation within IP
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.8. RFC 2022 Support for Multicast over UNI 3.0/3.1 based ATM
Networks
No updated document exists for this specification. It is unclear
whether one is needed.
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7.3.9. RFC 2113 IP Router Alert Option
This problem has been fixed in RFC 2711, IPv6 Router Alert Option.
7.3.10. RFC 2165 SLP
The problems have been addressed in RFC 3111, Service Location
Protocol Modifications for IPv6.
7.3.11. RFC 2225 Classical IP & ARP over ATM
The problems have been resolved in RFC 2492, IPv6 over ATM Networks.
7.3.12. RFC 2226 IP Broadcast over ATM
The problems have been resolved in RFC 2492, IPv6 over ATM Networks.
7.3.13. RFC 2371 Transaction IPv3
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.14. RFC 2625 IP and ARP over Fibre Channel
There is work in progress to fix these problems
7.3.15. RFC 2672 Non-Terminal DNS Redirection
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.16. RFC 2673 Binary Labels in DNS
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.17. IP over Vertical Blanking Interval of a TV Signal (RFC 2728)
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.18. RFC 2734 IPv4 over IEEE 1394
This problem has been fixed by RFC 3146, Transmission of IPv6 Packets
Over IEEE 1394 Networks.
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7.3.19. RFC 2834 ARP & IP Broadcasts Over HIPPI 800
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.20. RFC 2835 ARP & IP Broadcasts Over HIPPI 6400
No updated document exists for this specification. It is unclear
whether one is needed.
7.3.21. RFC 3344 Mobility Support for IPv4
The problems have been resolved by RFC 3775 and RFC 3776 [3, 4].
Since the first Mobile IPv4 specification in RFC 2002, a number of
extensions to it have been specified. As all of these depend on
MIPv4, they have been omitted from further analysis in this memo.
7.3.22. RFC 3376 Internet Group Management Protocol, Version 3
This problem is being fixed by MLDv2 specification [5].
7.4. Experimental RFCs
7.4.1. RFC 1307 Dynamically Switched Link Control Protocol
No updated document exists for this specification. It is unclear
whether one is needed.
7.4.2. RFC 1393 Traceroute using an IP Option
This specification relies on the use of an IPv4 option. No
replacement document exists, and it is unclear whether one is needed.
7.4.3. RFC 1735 NBMA Address Resolution Protocol (NARP)
This functionality has been defined in RFC 2491, IPv6 over Non-
Broadcast Multiple Access (NBMA) networks and RFC 2332, NBMA Next Hop
Resolution Protocol (NHRP).
7.4.4. RFC 1788 ICMP Domain Name Messages
No updated document exists for this specification. However, DNS
Dynamic Updates should provide similar functionality, so an update
does not seem necessary.
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7.4.5. RFC 1868 ARP Extension - UNARP
This mechanism defined a mechanism to purge ARP caches on a link.
That functionality already exists in RFC 2461, Neighbor Discovery for
IPv6.
7.4.6. RFC 2143 IP Over SCSI
No updated document exists for this specification. It is unclear
whether one is needed.
7.4.7. RFC 3180 GLOP Addressing in 233/8
Similar functionality is provided by RFC 3306, Unicast-Prefix-based
IPv6 Multicast Addresses, and no action is necessary.
8. Security Considerations
This memo examines the IPv6-readiness of specifications; this does
not have security considerations in itself.
9. Acknowledgements
The author would like to acknowledge the support of the Internet
Society in the research and production of this document.
Additionally the author would like to thanks his partner in all ways,
Wendy M. Nesser.
The editor, Cleveland Mickles, would like to thank Steve Bellovin and
Russ Housley for their comments and Pekka Savola for his comments and
guidance during the editing of this document. Additionally, he would
like to thank his wife, Lesia, for her patient support.
Pekka Savola helped in editing the latest versions of the document.
10. References
10.1. Normative References
[1] Nesser II, P. and A. Bergstrom, Editor, "Introduction to the
Survey of IPv4 Addresses in Currently Deployed IETF Standards",
RFC 3789, June 2004.
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10.2 Informative References
[2] Loughney, J., Ed., "IPv6 Node Requirements", Work in Progress,
January 2004.
[3] Johnson, D., Perkins, C. and J. Arkko, "Mobility Support in
IPv6", RFC 3775, June 2004.
[4] Arkko, J., Devarapalli, V. and F. Dupont, "Using IPsec to
Protect Mobile IPv6 Signaling Between Mobile Nodes and Home
Agents", RFC 3776, June 2004.
[5] Vida, R. and L. Costa, Eds., "Multicast Listener Discovery
Version 2 (MLDv2) for IPv6", RFC 3810, June 2004.
11. Authors' Addresses
Cleveland Mickles, Editor
Reston, VA 20191
USA
EMail: cmickles.ee88@gtalumni.org
Philip J. Nesser II
Nesser & Nesser Consulting
13501 100th Ave NE, #5202
Kirkland, WA 98034
USA
EMail: phil@nesser.com
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12. Full Copyright Statement
Copyright (C) The Internet Society (2004). This document is subject
to the rights, licenses and restrictions contained in BCP 78, and
except as set forth therein, the authors retain all their rights.
This document and the information contained herein are provided on an
"AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE
REPRESENTS OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE
INTERNET ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF
THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
Intellectual Property
The IETF takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed
to pertain to the implementation or use of the technology
described in this document or the extent to which any license
under such rights might or might not be available; nor does it
represent that it has made any independent effort to identify any
such rights. Information on the procedures with respect to
rights in RFC documents can be found in BCP 78 and BCP 79.
Copies of IPR disclosures made to the IETF Secretariat and any
assurances of licenses to be made available, or the result of an
attempt made to obtain a general license or permission for the use
of such proprietary rights by implementers or users of this
specification can be obtained from the IETF on-line IPR repository
at http://www.ietf.org/ipr.
The IETF invites any interested party to bring to its attention
any copyrights, patents or patent applications, or other
proprietary rights that may cover technology that may be required
to implement this standard. Please address the information to the
IETF at ietf-ipr@ietf.org.
Acknowledgement
Funding for the RFC Editor function is currently provided by the
Internet Society.
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