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BEST CURRENT PRACTICE
Updated by:8190Errata ExistInternet Engineering Task Force (IETF) M. CottonRequest for Comments: 6890 L. VegodaBCP: 153 ICANNObsoletes:4773,5156,5735,5736 R. Bonica, Ed.Category: Best Current Practice Juniper NetworksISSN: 2070-1721 B. Haberman JHU April 2013Special-Purpose IP Address RegistriesAbstract This memo reiterates the assignment of an IPv4 address block (192.0.0.0/24) to IANA. It also instructs IANA to restructure its IPv4 and IPv6 Special-Purpose Address Registries. Upon restructuring, the aforementioned registries will record all special- purpose address blocks, maintaining a common set of information regarding each address block. This memo obsoletes RFCs 4773, 5156, 5735, and 5736.Status of This Memo This memo documents an Internet Best Current Practice. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on BCPs is available inSection 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained athttp://www.rfc-editor.org/info/rfc6890.Cotton, et al. Best Current Practice [Page 1]
RFC 6890 Special-Purpose Address Registries April 2013Copyright Notice Copyright (c) 2013 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject toBCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.Table of Contents1. Introduction ....................................................22. IANA Considerations .............................................32.1. Assignment of an IPv4 Address Block to IANA ................3 2.2. Restructuring of the IPv4 and IPv6 Special-Purpose Address ....................................................42.2.1. Information Requirements ............................42.2.2. IPv4 Special-Purpose Address Registry Entries .......62.2.3. IPv6 Special-Purpose Address Registry Entries ......143. Security Considerations ........................................204. Acknowledgements ...............................................205. Informative References .........................................201. Introduction In order to support new protocols and practices, the IETF occasionally reserves an address block for a special purpose. For example, [RFC1122] reserves an IPv4 address block (0.0.0.0/8) to represent the local (i.e., "this") network. Likewise, [RFC4291] reserves an IPv6 address block (fe80::/10) to represent link-scoped unicast addresses. Periodically, the IETF publishes an RFC that catalogs special-purpose address blocks. Currently, [RFC5735] catalogs all IPv4 special- purpose address blocks and [RFC5156] catalogs all IPv6 special- purpose address blocks. [RFC5736] assigns an IPv4 address block (192.0.0.0/24) to IANA and instructs IANA to allocate special-purpose address blocks from this space. [RFC5736] also instructs IANA to create an IPv4 Special- Purpose Address Registry that records allocations from this addressCotton, et al. Best Current Practice [Page 2]
RFC 6890 Special-Purpose Address Registries April 2013 space. However, [RFC5736] does not instruct IANA to record special- purpose address block reservations from outside of the aforementioned space in the IPv4 Special-Purpose Address Registry. Likewise, [RFC2928] assigns an IPv6 address block (2001:0000::/23) to IANA and instructs IANA to allocate special-purpose address blocks from this space. [RFC4773] instructs IANA to create an IPv6 Special- Purpose Address Registry that records allocations from this address space. However, [RFC4773] does not instruct IANA to record special- purpose address block reservations from outside of the aforementioned space in the IPv6 Special-Purpose Address Registry. This memo reiterates the assignment of an IPv4 address block (192.0.0.0/24) to IANA. It also instructs IANA to restructure its IPv4 and IPv6 Special-Purpose Address Registries. Specifically, this memo instructs IANA to record all special-purpose address blocks in the aforementioned registries. These include, but are not limited to, IPv4 allocations from 192.0.0.0/24 and IPv6 allocations from 2001:0000::/23. Furthermore, this memo defines: o a common set of information that the registries will maintain regarding each special-purpose address block o a common set of requirements for future entries When the aforementioned registries include all special-purpose address blocks, [RFC5735] and [RFC5156] will become redundant with the registries. Therefore, this memo obsoletes [RFC5735] and [RFC5156]. Because this memo reiterates the assignment of 192.0.0.0/24 to IANA, and because it restructures the IPv4 Special- Purpose Address Registry, it obsoletes [RFC5736]. Finally, because this memo restructures the IPv6 Special-Purpose Address Registry, it obsoletes [RFC4773].2. IANA Considerations2.1. Assignment of an IPv4 Address Block to IANA Table 7 of this document records the assignment of an IPv4 address block (192.0.0.0/24) to IANA for IETF protocol assignments. This address allocation to IANA is intended to support IETF protocol assignments. A more general view of the roles of IANA with respect to address allocation functions is documented in Sections4.1 and4.3 [RFC2860]. IANA has designated special-purpose address blocks in compliance with [RFC2860].Cotton, et al. Best Current Practice [Page 3]
RFC 6890 Special-Purpose Address Registries April 20132.2. Restructuring of the IPv4 and IPv6 Special-Purpose Address Registries IANA has restructured the following registries: o IPv4 Special-Purpose Address Registry o IPv6 Special-Purpose Address Registry The IPv4 Special-Purpose Address Registry records all IPv4 special- purpose address blocks. These reservations include, but are not limited to, allocations from the 192.0.0.0/24 address block. Likewise, the IPv6 Special-Purpose Address Registry records all IPv6 special-purpose address blocks. These reservations include, but are not limited to, allocations from the 2001:0000::/23 address block.Section 2.2.1 of this document describes information that both registries will maintain for each entry. Initially, IANA has populated the IPv4 Special-Purpose Address Registry with information taken fromSection 2.2.2 of this document. Likewise, IANA has populated the IPv6 Special-Purpose Address Registry with information taken fromSection 2.2.3 of this document. IANA will update the aforementioned registries as requested in the "IANA Considerations" section of a document that has passed IETF Review [RFC5226]. The "IANA Considerations" section must include all of the information specified inSection 2.2.1 of this document.2.2.1. Information Requirements The IPv4 and IPv6 Special-Purpose Address Registries maintain the following information regarding each entry: o Address Block - A block of IPv4 or IPv6 addresses that has been registered for a special purpose. o Name - A descriptive name for the special-purpose address block. o RFC - The RFC through which the special-purpose address block was requested. o Allocation Date - The date upon which the special-purpose address block was allocated. o Termination Date - The date upon which the allocation is to be terminated. This field is applicable for limited-use allocations only.Cotton, et al. Best Current Practice [Page 4]
RFC 6890 Special-Purpose Address Registries April 2013 o Source - A boolean value indicating whether an address from the allocated special-purpose address block is valid when used as the source address of an IP datagram that transits two devices. o Destination - A boolean value indicating whether an address from the allocated special-purpose address block is valid when used as the destination address of an IP datagram that transits two devices. o Forwardable - A boolean value indicating whether a router may forward an IP datagram whose destination address is drawn from the allocated special-purpose address block between external interfaces. o Global - A boolean value indicating whether an IP datagram whose destination address is drawn from the allocated special-purpose address block is forwardable beyond a specified administrative domain. o Reserved-by-Protocol - A boolean value indicating whether the special-purpose address block is reserved by IP, itself. This value is "TRUE" if the RFC that created the special-purpose address block requires all compliant IP implementations to behave in a special way when processing packets either to or from addresses contained by the address block. If the value of "Destination" is FALSE, the values of "Forwardable" and "Global" must also be false.Cotton, et al. Best Current Practice [Page 5]
RFC 6890 Special-Purpose Address Registries April 20132.2.2. IPv4 Special-Purpose Address Registry Entries Tables 1 though 16, below, represent entries with which IANA has initially populated the IPv4 Special-Purpose Address Registry. +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 0.0.0.0/8 | | Name | "This host on this network"| | RFC |[RFC1122], Section 3.2.1.3 | | Allocation Date | September 1981 | | Termination Date | N/A | | Source | True | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+----------------------------+ Table 1: "This host on this network" +----------------------+---------------+ | Attribute | Value | +----------------------+---------------+ | Address Block | 10.0.0.0/8 | | Name | Private-Use | | RFC | [RFC1918] | | Allocation Date | February 1996 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+---------------+ Table 2: Private-Use NetworksCotton, et al. Best Current Practice [Page 6]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------------+ | Attribute | Value | +----------------------+----------------------+ | Address Block | 100.64.0.0/10 | | Name | Shared Address Space | | RFC | [RFC6598] | | Allocation Date | April 2012 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------+ Table 3: Shared Address Space +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 127.0.0.0/8 | | Name | Loopback | | RFC |[RFC1122], Section 3.2.1.3 | | Allocation Date | September 1981 | | Termination Date | N/A | | Source | False [1] | | Destination | False [1] | | Forwardable | False [1] | | Global | False [1] | | Reserved-by-Protocol | True | +----------------------+----------------------------+ [1] Several protocols have been granted exceptions to this rule. For examples, see [RFC4379] and [RFC5884]. Table 4: LoopbackCotton, et al. Best Current Practice [Page 7]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------+ | Attribute | Value | +----------------------+----------------+ | Address Block | 169.254.0.0/16 | | Name | Link Local | | RFC | [RFC3927] | | Allocation Date | May 2005 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+----------------+ Table 5: Link Local +----------------------+---------------+ | Attribute | Value | +----------------------+---------------+ | Address Block | 172.16.0.0/12 | | Name | Private-Use | | RFC | [RFC1918] | | Allocation Date | February 1996 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+---------------+ Table 6: Private-Use NetworksCotton, et al. Best Current Practice [Page 8]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+---------------------------------+ | Attribute | Value | +----------------------+---------------------------------+ | Address Block | 192.0.0.0/24 [2] | | Name | IETF Protocol Assignments | | RFC |Section 2.1 of this document | | Allocation Date | January 2010 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+---------------------------------+ [2] Not usable unless by virtue of a more specific reservation. Table 7: IETF Protocol Assignments +----------------------+--------------------------------+ | Attribute | Value | +----------------------+--------------------------------+ | Address Block | 192.0.0.0/29 | | Name | DS-Lite | | RFC | [RFC6333] | | Allocation Date | June 2011 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+--------------------------------+ Table 8: DS-LiteCotton, et al. Best Current Practice [Page 9]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 192.0.2.0/24 | | Name | Documentation (TEST-NET-1) | | RFC | [RFC5737] | | Allocation Date | January 2010 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------------+ Table 9: TEST-NET-1 +----------------------+--------------------+ | Attribute | Value | +----------------------+--------------------+ | Address Block | 192.88.99.0/24 | | Name | 6to4 Relay Anycast | | RFC | [RFC3068] | | Allocation Date | June 2001 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | True | | Reserved-by-Protocol | False | +----------------------+--------------------+ Table 10: 6to4 Relay AnycastCotton, et al. Best Current Practice [Page 10]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------+ | Attribute | Value | +----------------------+----------------+ | Address Block | 192.168.0.0/16 | | Name | Private-Use | | RFC | [RFC1918] | | Allocation Date | February 1996 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------+ Table 11: Private-Use Networks +----------------------+---------------+ | Attribute | Value | +----------------------+---------------+ | Address Block | 198.18.0.0/15 | | Name | Benchmarking | | RFC | [RFC2544] | | Allocation Date | March 1999 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+---------------+ Table 12: Network Interconnect Device Benchmark TestingCotton, et al. Best Current Practice [Page 11]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 198.51.100.0/24 | | Name | Documentation (TEST-NET-2) | | RFC | [RFC5737] | | Allocation Date | January 2010 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------------+ Table 13: TEST-NET-2 +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 203.0.113.0/24 | | Name | Documentation (TEST-NET-3) | | RFC | [RFC5737] | | Allocation Date | January 2010 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------------+ Table 14: TEST-NET-3Cotton, et al. Best Current Practice [Page 12]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------------+ | Attribute | Value | +----------------------+----------------------+ | Address Block | 240.0.0.0/4 | | Name | Reserved | | RFC |[RFC1112], Section 4 | | Allocation Date | August 1989 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+----------------------+ Table 15: Reserved for Future Use +----------------------+----------------------+ | Attribute | Value | +----------------------+----------------------+ | Address Block | 255.255.255.255/32 | | Name | Limited Broadcast | | RFC |[RFC0919], Section 7 | | Allocation Date | October 1984 | | Termination Date | N/A | | Source | False | | Destination | True | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------+ Table 16: Limited BroadcastCotton, et al. Best Current Practice [Page 13]
RFC 6890 Special-Purpose Address Registries April 20132.2.3. IPv6 Special-Purpose Address Registry Entries Tables 17 through 28, below, represent entries with which the IANA has initially populated the IPv6 Special-Purpose Address Registry. +----------------------+------------------+ | Attribute | Value | +----------------------+------------------+ | Address Block | ::1/128 | | Name | Loopback Address | | RFC | [RFC4291] | | Allocation Date | February 2006 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+------------------+ Table 17: Loopback Address +----------------------+---------------------+ | Attribute | Value | +----------------------+---------------------+ | Address Block | ::/128 | | Name | Unspecified Address | | RFC | [RFC4291] | | Allocation Date | February 2006 | | Termination Date | N/A | | Source | True | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+---------------------+ Table 18: Unspecified AddressCotton, et al. Best Current Practice [Page 14]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+---------------------+ | Attribute | Value | +----------------------+---------------------+ | Address Block | 64:ff9b::/96 | | Name | IPv4-IPv6 Translat. | | RFC | [RFC6052] | | Allocation Date | October 2010 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | True | | Reserved-by-Protocol | False | +----------------------+---------------------+ Table 19: IPv4-IPv6 Translation Address +----------------------+---------------------+ | Attribute | Value | +----------------------+---------------------+ | Address Block | ::ffff:0:0/96 | | Name | IPv4-mapped Address | | RFC | [RFC4291] | | Allocation Date | February 2006 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+---------------------+ Table 20: IPv4-Mapped AddressCotton, et al. Best Current Practice [Page 15]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------------------+ | Attribute | Value | +----------------------+----------------------------+ | Address Block | 100::/64 | | Name | Discard-Only Address Block | | RFC | [RFC6666] | | Allocation Date | June 2012 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------------------+ Table 21: Discard-Only Prefix +----------------------+---------------------------+ | Attribute | Value | +----------------------+---------------------------+ | Address Block | 2001::/23 | | Name | IETF Protocol Assignments | | RFC | [RFC2928] | | Allocation Date | September 2000 | | Termination Date | N/A | | Source | False[1] | | Destination | False[1] | | Forwardable | False[1] | | Global | False[1] | | Reserved-by-Protocol | False | +----------------------+---------------------------+ [1] Unless allowed by a more specific allocation. Table 22: IETF Protocol AssignmentsCotton, et al. Best Current Practice [Page 16]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+----------------+ | Attribute | Value | +----------------------+----------------+ | Address Block | 2001::/32 | | Name | TEREDO | | RFC | [RFC4380] | | Allocation Date | January 2006 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------+ Table 23: TEREDO +----------------------+----------------+ | Attribute | Value | +----------------------+----------------+ | Address Block | 2001:2::/48 | | Name | Benchmarking | | RFC | [RFC5180] | | Allocation Date | April 2008 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+----------------+ Table 24: BenchmarkingCotton, et al. Best Current Practice [Page 17]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+---------------+ | Attribute | Value | +----------------------+---------------+ | Address Block | 2001:db8::/32 | | Name | Documentation | | RFC | [RFC3849] | | Allocation Date | July 2004 | | Termination Date | N/A | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+---------------+ Table 25: Documentation +----------------------+--------------+ | Attribute | Value | +----------------------+--------------+ | Address Block | 2001:10::/28 | | Name | ORCHID | | RFC | [RFC4843] | | Allocation Date | March 2007 | | Termination Date | March 2014 | | Source | False | | Destination | False | | Forwardable | False | | Global | False | | Reserved-by-Protocol | False | +----------------------+--------------+ Table 26: ORCHIDCotton, et al. Best Current Practice [Page 18]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+---------------+ | Attribute | Value | +----------------------+---------------+ | Address Block | 2002::/16 [2] | | Name | 6to4 | | RFC | [RFC3056] | | Allocation Date | February 2001 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | N/A [2] | | Reserved-by-Protocol | False | +----------------------+---------------+ [2] See [RFC3056] for details. Table 27: 6to4 +----------------------+--------------+ | Attribute | Value | +----------------------+--------------+ | Address Block | fc00::/7 | | Name | Unique-Local | | RFC | [RFC4193] | | Allocation Date | October 2005 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | True | | Global | False | | Reserved-by-Protocol | False | +----------------------+--------------+ Table 28: Unique-LocalCotton, et al. Best Current Practice [Page 19]
RFC 6890 Special-Purpose Address Registries April 2013 +----------------------+-----------------------+ | Attribute | Value | +----------------------+-----------------------+ | Address Block | fe80::/10 | | Name | Linked-Scoped Unicast | | RFC | [RFC4291] | | Allocation Date | February 2006 | | Termination Date | N/A | | Source | True | | Destination | True | | Forwardable | False | | Global | False | | Reserved-by-Protocol | True | +----------------------+-----------------------+ Table 29: Linked-Scoped Unicast3. Security Considerations Security of the Internet's routing system relies on the ability to authenticate an assertion of unique control of an address block. Measures to authenticate such assertions rely on validation that the address block forms part of an existing allocated address block and that there is a trustable and unique reference in the IANA address registries. The proposed registry is intended to provide an authoritative source of information regarding the currency and intended purpose of special purpose address blocks that are designated from the IANA-administered Special-Purpose registry. This is a small step towards the creation of a comprehensive registry framework that can be used as a trust point for commencing a chain of address validation. Consideration should be given to IANA registry publication formats that are machine parsable. Additionally, consideration should be given to the use of file signatures and associated certificate mechanisms to allow applications to confirm that the registry contents are current and that they have been published by the IANA.4. Acknowledgements The authors thank Geoff Huston and Randy Bush for their helpful comments. The authors also express their gratitude to an anonymous donor, without whom this document would not have been written.5. Informative References [RFC0919] Mogul, J., "Broadcasting Internet Datagrams", STD 5,RFC919, October 1984.Cotton, et al. Best Current Practice [Page 20]
RFC 6890 Special-Purpose Address Registries April 2013 [RFC1112] Deering, S., "Host extensions for IP multicasting", STD 5,RFC 1112, August 1989. [RFC1122] Braden, R., Ed., "Requirements for Internet Hosts - Communication Layers", STD 3,RFC 1122, October 1989. [RFC1918] Rekhter, Y., Moskowitz, B., Karrenberg, D., de Groot, G., and E. Lear, "Address Allocation for Private Internets",BCP 5,RFC 1918, February 1996. [RFC2544] Bradner, S. and J. McQuaid, "Benchmarking Methodology for Network Interconnect Devices",RFC 2544, March 1999. [RFC2860] Carpenter, B., Baker, F., and M. Roberts, "Memorandum of Understanding Concerning the Technical Work of the Internet Assigned Numbers Authority",RFC 2860, June 2000. [RFC2928] Hinden, R., Deering, S., Fink, R., and T. Hain, "Initial IPv6 Sub-TLA ID Assignments",RFC 2928, September 2000. [RFC3056] Carpenter, B. and K. Moore, "Connection of IPv6 Domains via IPv4 Clouds",RFC 3056, February 2001. [RFC3068] Huitema, C., "An Anycast Prefix for 6to4 Relay Routers",RFC 3068, June 2001. [RFC3849] Huston, G., Lord, A., and P. Smith, "IPv6 Address Prefix Reserved for Documentation",RFC 3849, July 2004. [RFC3927] Cheshire, S., Aboba, B., and E. Guttman, "Dynamic Configuration of IPv4 Link-Local Addresses",RFC 3927, May 2005. [RFC4193] Hinden, R. and B. Haberman, "Unique Local IPv6 Unicast Addresses",RFC 4193, October 2005. [RFC4291] Hinden, R. and S. Deering, "IP Version 6 Addressing Architecture",RFC 4291, February 2006. [RFC4379] Kompella, K. and G. Swallow, "Detecting Multi-Protocol Label Switched (MPLS) Data Plane Failures",RFC 4379, February 2006. [RFC4380] Huitema, C., "Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)",RFC 4380, February 2006.Cotton, et al. Best Current Practice [Page 21]
RFC 6890 Special-Purpose Address Registries April 2013 [RFC4773] Huston, G., "Administration of the IANA Special Purpose IPv6 Address Block",RFC 4773, December 2006. [RFC4843] Nikander, P., Laganier, J., and F. Dupont, "An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers (ORCHID)",RFC 4843, April 2007. [RFC5156] Blanchet, M., "Special-Use IPv6 Addresses",RFC 5156, April 2008. [RFC5180] Popoviciu, C., Hamza, A., Van de Velde, G., and D. Dugatkin, "IPv6 Benchmarking Methodology for Network Interconnect Devices",RFC 5180, May 2008. [RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA Considerations Section in RFCs",BCP 26,RFC 5226, May 2008. [RFC5735] Cotton, M. and L. Vegoda, "Special Use IPv4 Addresses",RFC 5735, January 2010. [RFC5736] Huston, G., Cotton, M., and L. Vegoda, "IANA IPv4 Special Purpose Address Registry",RFC 5736, January 2010. [RFC5737] Arkko, J., Cotton, M., and L. Vegoda, "IPv4 Address Blocks Reserved for Documentation",RFC 5737, January 2010. [RFC5884] Aggarwal, R., Kompella, K., Nadeau, T., and G. Swallow, "Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)",RFC 5884, June 2010. [RFC6052] Bao, C., Huitema, C., Bagnulo, M., Boucadair, M., and X. Li, "IPv6 Addressing of IPv4/IPv6 Translators",RFC 6052, October 2010. [RFC6333] Durand, A., Droms, R., Woodyatt, J., and Y. Lee, "Dual- Stack Lite Broadband Deployments Following IPv4 Exhaustion",RFC 6333, August 2011. [RFC6598] Weil, J., Kuarsingh, V., Donley, C., Liljenstolpe, C., and M. Azinger, "IANA-Reserved IPv4 Prefix for Shared Address Space",BCP 153,RFC 6598, April 2012. [RFC6666] Hilliard, N. and D. Freedman, "A Discard Prefix for IPv6",RFC 6666, August 2012.Cotton, et al. Best Current Practice [Page 22]
RFC 6890 Special-Purpose Address Registries April 2013Authors' Addresses Michelle Cotton Internet Corporation for Assigned Names and Numbers (ICANN) 12025 Waterfront Drive, Suite 300 Los Angeles, CA 90094-2536 USA Phone: +310-823-9358 EMail: michelle.cotton@icann.org URI:http://www.icann.org/ Leo Vegoda Internet Corporation for Assigned Names and Numbers (ICANN) 12025 Waterfront Drive, Suite 300 Los Angeles, CA 90094-2536 USA Phone: +310-823-9358 EMail: leo.vegoda@icann.org URI:http://www.icann.org/ Ronald P Bonica (editor) Juniper Networks 2251 Corporate Park Drive Herndon, VA 20171 USA EMail: rbonica@juniper.net Brian Haberman Johns Hopkins University (JHU) Applied Physics Lab 11100 Johns Hopkins Road Laurel, MD 20723-6099 USA EMail: brian@innovationslab.netCotton, et al. Best Current Practice [Page 23]
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