I-D Action:draft-ietf-mmusic-sdp-source-attributes-01.txt

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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           : Source-Specific Media Attributes in the Session Description Protocol (SDP)
	Author(s)       : J. Lennox, et al.
	Filename        : draft-ietf-mmusic-sdp-source-attributes-01.txt
	Pages           : 19
	Date            : 2008-02-25

The Session Description Protocol provides mechanisms to describe
attributes of multimedia sessions and of individual media streams
(e.g., Real-time Transport Protocol (RTP) sessions) within a
multimedia session, but does not provide any mechanism to describe
individual media sources within a media stream.  This document
defines a mechanism to describe RTP media sources, identified by
their Synchronization Source Identifiers (SSRCs), in SDP, associate
attributes with these sources, and express relationships among
sources.  It also defines several source-level attributes which can
be used to describe properties of media sources.

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