A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Using Simulcast in RTP Sessions
Author(s) : Magnus Westerlund
Bo Burman
Morgan Lindqvist
Fredrik Jansson
Filename : draft-westerlund-avtcore-rtp-simulcast-02.txt
Pages : 26
Date : 2013-02-25
Abstract:
In some applications it may be necessary to send multiple media
encodings derived from the same media source in independent RTP media
streams. This is called Simulcast. This document discusses the best
way of accomplishing this in RTP and how to signal it in SDP. It is
concluded that a solution where the different simulcast versions are
based on separate SDP media descriptions provides best support for
simulcast. A solution is defined by making two extensions to SDP.
The first extension consists of two new attributes in SDP that
express capability to send or receive simulcast streams,
respectively. The second extension describes how to group media
descriptions belonging to the same simulcast source by using the
grouping framework.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-westerlund-avtcore-rtp-simulcast
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-westerlund-avtcore-rtp-simulcast-02
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-westerlund-avtcore-rtp-simulcast-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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