A new Request for Comments is now available in online RFC libraries.
RFC 6332
Title: Multicast Acquisition Report Block Type
for RTP Control Protocol (RTCP) Extended
Reports (XRs)
Author: A. Begen, E. Friedrich
Status: Standards Track
Stream: IETF
Date: July 2011
Mailbox: abegen@cisco.com,
efriedri@cisco.com
Pages: 16
Characters: 35217
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-ietf-avtext-multicast-acq-rtcp-xr-06.txt
URL: http://www.rfc-editor.org/rfc/rfc6332.txt
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 diagnostic 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 the
Multicast Acquisition (MA) report block, within the framework of RTP
Control Protocol (RTCP) Extended Reports (XRs) (RFC 3611). This
document also defines the necessary signaling of the new MA report
block type in the Session Description Protocol (SDP). [STANDARDS-TRACK]
This document is a product of the Audio/Video Transport Extensions Working Group of the IETF.
This is now a Proposed Standard Protocol.
STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and suggestions
for improvements. Please refer to the current edition of the Internet
Official Protocol Standards (STD 1) for the standardization state and
status of this protocol. Distribution of this memo is unlimited.
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