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RFC 7984
Title: Locating Session Initiation Protocol (SIP)
Servers in a Dual-Stack IP Network
Author: O. Johansson, G. Salgueiro,
V. Gurbani, D. Worley, Ed.
Status: Standards Track
Stream: IETF
Date: September 2016
Mailbox: oej@edvina.net,
gsalguei@cisco.com,
vkg@bell-labs.com,
worley@ariadne.com
Pages: 10
Characters: 21246
Updates: RFC 3263
I-D Tag: draft-ietf-sipcore-dns-dual-stack-08.txt
URL: https://www.rfc-editor.org/info/rfc7984
DOI: http://dx.doi.org/10.17487/RFC7984
RFC 3263 defines how a Session Initiation Protocol (SIP)
implementation, given a SIP Uniform Resource Identifier (URI), should
locate the next-hop SIP server using Domain Name System (DNS)
procedures. As SIP networks increasingly transition from IPv4-only
to dual-stack, a quality user experience must be ensured for dual-
stack SIP implementations. This document updates the DNS procedures
described in RFC 3263 for dual-stack SIP implementations in
preparation for forthcoming specifications for applying "Happy
Eyeballs" principles to SIP.
This document is a product of the Session Initiation Protocol Core Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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