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Versions: 00 01 RFC 3152

INTERNET-DRAFT                                               Randy Bush
draft-ymbk-ip6-arpa-delegation-01.txt                             Verio
                                                               01.01.25


                         Delegation of IP6.ARPA

    Copyright (C) The Internet Society (2001).  All Rights Reserved.


   This document is an Internet-Draft and is in full conformance with
   all provisions of Section 10 of RFC2026.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF), its areas, and its working groups.  Note that
   other groups may also distribute working documents as Internet-
   Drafts.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   The list of current Internet-Drafts can be accessed at
   http://www.ietf.org/ietf/1id-abstracts.txt

   The list of Internet-Draft Shadow Directories can be accessed at
   http://www.ietf.org/shadow.html.

0. Abstract

   This document discusses the need for delegation of the IP6.ARPA DNS
   zone, and specifies a plan for the technical operation thereof.

1. Why IP6.ARPA?

   In the IPv6 address space, there is a need for 'reverse mapping' of
   addresses to DNS names analogous to that provided by the IN-ADDR.ARPA
   zone for IPv4.

   The IAB recommended that the ARPA top level domain (the name is now
   considered an acronym for "Address and Routing Parameters Area") be
   used for technical infrastructure sub-domains when possible.  It is
   already in use for IPv4 reverse mapping and has been established as
   the location for E.164 numbering on the Internet [RFC2916 RFC3026].

   IETF consensus was reached that the IP6.ARPA domain be used for
   address to DNS name mapping for the IPv6 address space [RFC2874].



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2. Osoleted Usage

   This document deprecates references to IP6.INT in [RFC2553] section
   6.2.3, [RFC2766] section 4.1, [RFC2772] section 7.1.c, and [RFC2874]
   section 2.5.

3. IANA Considerations

   This memo requests that the IANA delegate the IP6.ARPA domain
   following instructions to be provided by the IAB.  Names within this
   zone are to be further delegated to the regional IP registries in
   accordance with the delegation of IPv6 address space to those
   registries.  The names allocated should be hierarchic in accordance
   with the address space assignment.

4. Security Considerations

   While DNS spoofing of address to name mapping has been exploited in
   IPv4, delegation of the IP6.ARPA zone creates no new threats to the
   security of the internet.

5. References

[RFC2553]
     Basic Socket Interface Extensions for IPv6. R. Gilligan, S. Thom-
     son, J. Bound, W. Stevens. March 1999.

[RFC2766]
     Network Address Translation - Protocol Translation (NAT-PT). G.
     Tsirtsis, P. Srisuresh. February 2000.

[RFC2772]
     6Bone Backbone Routing Guidelines. R. Rockell, R. Fink. February
     2000.

[RFC2874]
     DNS Extensions to Support IPv6 Address Aggregation and Renumbering.
     M. Crawford, C. Huitema. July 2000.

[RFC2916]
     E.164 number and DNS. P. Faltstrom. September 2000.

[RFC3026]
     Liaison to IETF/ISOC on ENUM. R. Blane. January 2001.







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6. Author's Address

   Randy Bush
   5147 Crystal Springs
   Bainbridge Island, WA US-98110
   +1 206 780 0431
   randy@psg.com

7. Full Copyright Statement

   Copyright (C) The Internet Society (1999).  All Rights Reserved.

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

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

   This document and the information contained herein is provided on an "AS IS"
   basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE
   DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
   ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY
   RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A
   PARTICULAR PURPOSE.


















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