A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Locating SIP servers in a dual stack IP network
Author(s) : Olle E. Johansson
Gonzalo Salgueiro
Filename : draft-johansson-sip-dual-stack-00.txt
Pages : 5
Date : 2013-06-24
Abstract:
RFC 3263 defines how a SIP implementation given an URL should locate
the next hop SIP server using DNS. The RFC repeatedly states that
the implementation should look up IPv4 or IPv6 addresses, which is
not a good solution considering the issues that lead to the
development of Happy Eyeballs (RFC XXX). This document corrects this
behaviour for dual stack SIP implementations so that an
implementation so that an implementation should look up both IPv4 and
IPv6 addresses. This way, the implementation can find the best
network flow and have a greater chance in success in reaching the
service.
This document also clarifies DNS SRV usage for single stack clients.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-johansson-sip-dual-stack
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-johansson-sip-dual-stack-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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