[AVT] I-D Action:draft-ietf-avt-rtcp-port-for-ssm-03.txt
Internet-Drafts@ietf.org Mon, 25 October 2010 19:45 UTC
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Subject: [AVT] I-D Action:draft-ietf-avt-rtcp-port-for-ssm-03.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 Audio/Video Transport Working Group of the IETF. Title : RTP Control Protocol (RTCP) Port for Source-Specific Multicast (SSM) Sessions Author(s) : A. Begen Filename : draft-ietf-avt-rtcp-port-for-ssm-03.txt Pages : 7 Date : 2010-10-25 The Session Description Protocol (SDP) has an attribute that allows RTP applications to specify an address and a port associated with the RTP Control Protocol (RTCP) traffic. In RTP-based source-specific multicast (SSM) sessions, the same attribute is used to designate the address and the RTCP port of the Feedback Target in the SDP description. However, the RTCP port associated with the SSM session itself cannot be specified by the same attribute to avoid ambiguity, and thus, is required to be derived from the "m=" line of the media description. Deriving the RTCP port from the "m=" line imposes an unnecessary restriction. This document removes this restriction by introducing a new SDP attribute. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-avt-rtcp-port-for-ssm-03.txt Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/ Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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