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Keywords: dns, domain name system
Network Working Group R. Bush
Request for Comments: 3681 IIJ
BCP: 80 R. Fink
Category: Best Current Practice January 2004
Delegation of E.F.F.3.IP6.ARPA
Status of this Memo
This document specifies an Internet Best Current Practices for the
Internet Community, and requests discussion and suggestions for
improvements. Distribution of this memo is unlimited.
Copyright Notice
Copyright (C) The Internet Society (2004). All Rights Reserved.
Abstract
This document discusses the need for delegation of the
E.F.F.3.IP6.ARPA DNS zone in order to enable reverse lookups for
6bone addresses, and makes specific recommendations for the process
needed to accomplish this.
1. 6bone and DNS
The 6bone, whose address space was allocated by [RFC2471], has
provided a network for IPv6 experimentation for numerous purposes for
seven years. Up to the present time, reverse lookups for 6bone
addresses have been accomplished through IP6.INT. It is now
important that the thousands of 6bone users be able to update their
IPv6 software to use IP6.ARPA [RFC3152].
Although the 6bone has a limited life, as a phaseout plan is being
discussed at the IETF at this time [I-D.fink-6bone-phaseout], there
is likely to be 2.5 to 3.5 more years of operation. During this
remaining 6bone lifetime IP6.ARPA reverse lookup services for the
3ffe::/16 address space are required.
Discussions have been underway between the 6bone and RIR communities,
about having the RIRs perform this service. It was agreed at the San
Francisco IETF meeting in March 2003 that it was more practical for
the 6bone to provide this service for itself. This would relieve the
RIRs of the costs of providing this service, yet still provide the
IP6.ARPA authority the ability to terminate the service when the
planned 6bone termination date is reached (currently anticipated to
be June 6, 2006).
Bush & Fink Best Current Practice [Page 1]
RFC 3681 Delegation of E.F.F.3.IP6.ARPA January 2004
The current planning within the 6bone operational community is to
provide new inet6num attributes in the 6bone registry database for
top level 6bone address space holders to request delegation to their
reverse path servers.
2. IANA Considerations
This memo requests that the IANA delegate the E.F.F.3.IP6.ARPA domain
to the 6bone, as will be described in instructions to be provided by
the IAB. Names within this zone are to be further delegated within
the top level 6bone ISPs (known as pTLAs) in accordance with the
delegation of 6bone 3FFE::/16 address space.
3. Security Considerations
While DNS spoofing of address to name mapping has been exploited in
IPv4, delegation of the E.F.F.3.IP6.ARPA zone creates no new threats
to the security of the internet.
4. References
4.1. Normative References
[RFC2471] Hinden, R., Fink, R. and J. Postel, "IPv6
Testing Address Allocation", RFC 2471,
December 1998.
4.2. Informative References
[I-D.fink-6bone-phaseout] Fink, R. and R. Hinden, "6bone (IPv6
Testing Address Allocation) Phaseout", Work
in Progress.
[RFC3152] Bush, R., "Delegation of IP6.ARPA", BCP 49,
RFC 3152, August 2001.
Bush & Fink Best Current Practice [Page 2]
RFC 3681 Delegation of E.F.F.3.IP6.ARPA January 2004
5. Intellectual Property Statement
The IETF takes no position regarding the validity or scope of any
intellectual property 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; neither does it represent that it
has made any effort to identify any such rights. Information on the
IETF's procedures with respect to rights in standards-track and
standards-related documentation can be found in BCP-11. Copies of
claims of rights made available for publication 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 implementors or users of this specification can
be obtained from the IETF Secretariat.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights which may cover technology that may be required to practice
this standard. Please address the information to the IETF Executive
Director.
6. Authors' Addresses
Randy Bush
IIJ
5147 Crystal Springs
Bainbrisge Island, WA 98110
US
Phone: +1 206 780 0431
EMail: randy@psg.com
URI: http://psg.com/~randy/
Robert Fink
Truckee, CA
US
EMail: bob@thefinks.com
Bush & Fink Best Current Practice [Page 3]
RFC 3681 Delegation of E.F.F.3.IP6.ARPA January 2004
7. Full Copyright Statement
Copyright (C) The Internet Society (2004). 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 assignees.
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.
Acknowledgement
Funding for the RFC Editor function is currently provided by the
Internet Society.
Bush & Fink Best Current Practice [Page 4]