A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiparty Multimedia Session Control Working Group of the IETF.
Title : Using Simulcast in SDP and RTP Sessions
Authors : Bo Burman
Magnus Westerlund
Suhas Nandakumar
Mo Zanaty
Filename : draft-ietf-mmusic-sdp-simulcast-00.txt
Pages : 22
Date : 2015-01-20
Abstract:
In some application scenarios it may be desirable to send multiple
differently encoded versions of the same media source in independent
RTP streams. This is called simulcast. This document discusses the
best way of accomplishing simulcast in RTP and how to signal it in
SDP. A solution is defined by making an extension to SDP, and using
RTP/RTCP identification methods to relate RTP streams belonging to
the same media source. The SDP extension consists a new media level
SDP attribute that express capability to send and/or receive
simulcast RTP streams. One part of the RTP/RTCP identification
method is included as a reference to a separate document, since it is
useful also for other purposes.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mmusic-sdp-simulcast/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mmusic-sdp-simulcast-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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