[rfc-dist] RFC 6642 on RTP Control Protocol (RTCP) Extension for a Third-Party Loss Report

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RFC 6642

Title: RTP Control Protocol (RTCP) Extension
for a Third-Party Loss Report
Author: Q. Wu, Ed.,
F. Xia,
R. Even
Status: Standards Track
Stream: IETF
Date: June 2012
Mailbox: suns...@huawei.com,
xiaya...@huawei.com,
even...@huawei.com
Pages: 13
Characters: 29758
Updates/Obsoletes/SeeAlso: None

I-D Tag: draft-ietf-avtcore-feedback-supression-rtp-17.txt

URL: http://www.rfc-editor.org/rfc/rfc6642.txt

In a large RTP session using the RTP Control Protocol (RTCP) feedback
mechanism defined in RFC 4585, a feedback target may experience
transient overload if some event causes a large number of receivers
to send feedback at once. This overload is usually avoided by
ensuring that feedback reports are forwarded to all receivers,
allowing them to avoid sending duplicate feedback reports. However,
there are cases where it is not recommended to forward feedback
reports, and this may allow feedback implosion. This memo discusses
these cases and defines a new RTCP Third-Party Loss Report that can
be used to inform receivers that the feedback target is aware of some
loss event, allowing them to suppress feedback. Associated Session
Description Protocol (SDP) signaling is also defined. [STANDARDS-TRACK]

This document is a product of the Audio/Video Transport Core Maintenance
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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