I-D Action: draft-begen-mmusic-redundancy-grouping-01.txt
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Subject: I-D Action: draft-begen-mmusic-redundancy-grouping-01.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Duplication Grouping Semantics in the Session Description Protocol
Author(s) : Ali Begen
Yiqun Cai
Heidi Ou
Filename : draft-begen-mmusic-redundancy-grouping-01.txt
Pages : 13
Date : 2011-06-12
Packet loss is undesirable for real-time multimedia sessions, but it
is not avoidable due to congestion or other unplanned network
outages. This is especially the case for IP multicast networks. One
technique to recover from packet loss without incurring unbounded
delay for all the receivers is to duplicate the packets and send them
in separate redundant streams. This document defines the semantics
for grouping redundant streams in the Session Description Protocol
(SDP). The semantics defined in this document are to be used with
the SDP Grouping Framework [RFC5888]. SSRC-level (Synchronization
Source) grouping semantics are also defined in this document for RTP
streams using SSRC multiplexing.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-begen-mmusic-redundancy-grouping-01.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-begen-mmusic-redundancy-grouping-01.txt
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