I-D Action: draft-ietf-avtext-multicast-acq-rtcp-xr-06.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 Extensions Working Group of the IETF.

	Title           : Multicast Acquisition Report Block Type for RTP Control Protocol (RTCP) Extended Reports (XRs)
	Author(s)       : Ali Begen
                          Eric Friedrich
	Filename        : draft-ietf-avtext-multicast-acq-rtcp-xr-06.txt
	Pages           : 21
	Date            : 2011-05-29

   In most RTP-based multicast applications, the RTP source sends inter-
   related data.  Due to this interdependency, randomly joining RTP
   receivers usually cannot start consuming the multicast data right
   after they join the session.  Thus, they often experience a random
   acquisition delay.  An RTP receiver can use one or more different
   approaches to achieve rapid acquisition.  Yet, due to various
   factors, performance of the rapid acquisition methods usually varies.
   Furthermore, in some cases the RTP receiver can do a simple multicast
   join (in other cases it is compelled to do so).  For quality
   reporting, monitoring and diagnostics purposes, it is important to
   collect detailed information from the RTP receivers about their
   acquisition and presentation experiences.  This document addresses
   this issue by defining a new report block type, called Multicast
   Acquisition (MA) Report Block, within the framework of RTP Control
   Protocol (RTCP) Extended Reports (XR) (RFC 3611).  This document also
   defines the necessary signaling of the new MA report block type in
   the Session Description Protocol (SDP).


A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-ietf-avtext-multicast-acq-rtcp-xr-06.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-ietf-avtext-multicast-acq-rtcp-xr-06.txt
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