Subject: [BEHAVE] A64-DNS Resource Record for IPv4-mapped IPv6 Address

From: <[email-masked]>
Date: Fri, 23 Oct 2009 17:39:40 +0200

Dear all,

FYI, we have updated the draft to clarify various points and especially with Q/A sections. 

Comments, clarifications, suggestions are more than welcome.

Cheers,
Med

-----Message d'origine-----
De : [email-masked] [mailto:[email-masked]] De la part de [email-masked]
Envoyé : vendredi 23 octobre 2009 17:30
À : [email-masked]
Objet : I-D Action:draft-boucadair-behave-dns-a64-01.txt 

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title           : A64: DNS Resource Record for IPv4-mapped IPv6 Address
	Author(s)       : M. Boucadair, E. Burgey
	Filename        : draft-boucadair-behave-dns-a64-01.txt
	Pages           : 15
	Date            : 2009-10-23

In the context of IPv4-IPv6 interconnection (or interworking), several solutions have been proposed within IETF.  Some of these solutions require the definition of a new IPv4-mapped IPv6 address [I-D.ietf-behave-address-format] which is used to represent an IPv4- only host in an IPv6 realms and the definition of a new mechanism called DNS64 for synthesizing a AAAA record, representing an IPv4- mapped IPv6 address in the DNS system, from the A record representing the IPv4 address of the IPv4-only host [I-D.ietf-behave-dns64].  This IPv4-mapped IPv6 address, when managed by a translator, is to be considered as "fake" address in a DNS system since it is not necessarily assigned to any host's interface qualified by the associated name.  This document defines a new DNS record type and query type to identify IPv4-mapped IPv6 address [I-D.ietf-behave-address-format] from native IPv6 ones.  The new record type and query type aim at helping the requesting party to enforce its policies and avoid crossing NAT64 boxes when possible.
Native addresses are to be preferred.

A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-boucadair-behave-dns-a64-01.txt

Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/

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