Re: [AVTCORE] I-D Action: draft-ietf-avtcore-rtp-multi-stream-optimisation-04.txt

This is a minor update, to address Paul Kyzivat’s SDP directorate review comments by clarifying that the “a=rtcp-rgrp:” attribute takes no value.

Colin

On 25 Aug 2014, at 16:39, Internet-Drafts@ietf.org wrote:
> A New Internet-Draft is available from the on-line Internet-Drafts directories.
> This draft is a work item of the Audio/Video Transport Core Maintenance Working Group of the IETF.
> 
>        Title           : Sending Multiple Media Streams in a Single RTP Session: Grouping RTCP Reception Statistics and Other Feedback
>        Authors         : Jonathan Lennox
>                          Magnus Westerlund
>                          Qin Wu
>                          Colin Perkins
> 	Filename        : draft-ietf-avtcore-rtp-multi-stream-optimisation-04.txt
> 	Pages           : 17
> 	Date            : 2014-08-25
> 
> Abstract:
>   RTP allows multiple media streams to be sent in a single session, but
>   requires each Synchronisation Source (SSRC) to send RTCP reception
>   quality reports for every other SSRC visible in the session.  This
>   causes the number of RTCP reception reports to grow with the number
>   of SSRCs, rather than the number of endpoints.  In many cases most of
>   these RTCP reception reports are unnecessary, since all SSRCs of an
>   endpoint are co-located and see the same reception quality.  This
>   memo defines a Reporting Group extension to RTCP to reduce the
>   reporting overhead in such scenarios.
> 
> 
> The IETF datatracker status page for this draft is:
> https://datatracker.ietf.org/doc/draft-ietf-avtcore-rtp-multi-stream-optimisation/
> 
> There's also a htmlized version available at:
> http://tools.ietf.org/html/draft-ietf-avtcore-rtp-multi-stream-optimisation-04
> 
> A diff from the previous version is available at:
> http://www.ietf.org/rfcdiff?url2=draft-ietf-avtcore-rtp-multi-stream-optimisation-04
> 
> 
> Please note that it may take a couple of minutes from the time of submission
> until the htmlized version and diff are available at tools.ietf.org.
> 
> Internet-Drafts are also available by anonymous FTP at:
> ftp://ftp.ietf.org/internet-drafts/
> 
> _______________________________________________
> Audio/Video Transport Core Maintenance
> avt@ietf.org
> https://www.ietf.org/mailman/listinfo/avt

-- 
Colin Perkins
http://csperkins.org/