A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Retransmission for Source-Specific Multicast (SSM) Sessions
Author(s) : Tom VanCaenegem
Bill VerSteeg
Ali Begen
Filename : draft-vancaenegem-avtcore-retransmission-for-ssm-00.txt
Pages : 25
Date : 2011-05-26
This document describes RTP retransmission for source-specific
multicast (SSM) architectures with unicast feedback. RTP payload
format for retransmissions has been defined in RFC 4588, whereas the
RTP profile an RTP receiver could use to issue RTP Control Protocol
(RTCP) feedback messages and the format of these feedback messages
have been defined in RFC 4585. RFC 5760 defines the operation for
SSM architectures with unicast feedback.
First, we document potential issues that could arise when providing a
retransmission service using RTP retransmission (RFC 4588 and RFC
4585) for RFC 5760 architectures based on rules described in the
relevant RFCs. We then present solutions that allow to avoid
unnecessary feedback suppression, provide enhanced retransmission
services and address congestion control for retransmission in an SSM
environment. These solutions specify certain rules that apply to the
distribution source, feedback target(s), retransmission source(s) and
RTP receivers.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-vancaenegem-avtcore-retransmission-for-ssm-00.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-vancaenegem-avtcore-retransmission-for-ssm-00.txt
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