[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

RE: [AVT] Offer/answer questions on RFC 4585



Magnus,
Do you see a problem in unicast?
Roni

> -----Original Message-----
> From: Magnus Westerlund [mailto:magnus.westerlund at ericsson.com]
> Sent: Monday, October 08, 2007 10:07 AM
> To: Even, Roni
> Cc: Christer Holmberg; avt at ietf.org
> Subject: Re: [AVT] Offer/answer questions on RFC 4585
> 
> Even, Roni skrev:
> > Christer
> > This is my view. The different between AVP and AVPF is in the RTCP
> > messages so if the receiver understands the SDP of AVPF nothing bad will
> > happen.
> 
> Hmmm, I would not fully agree with this. I think it will work. However,
> there are important difference in the RTCP timing rules between AVPF and
> AVP, even when no AVPF feedback messages are used. Thus, the processing
> of timing out SSRCs can be affected. But normally there is very little
> difference unless feedback messages are sent. I do expect things to
> work, unless the AVP receivers are strict about checking the timing
> behavior of the other senders (which it really shouldn't do).
> 
> So one better test this well with the AVP implementation one is actually
> using.
> 
> Cheers
> 
> Magnus Westerlund
> 
> IETF Transport Area Director & TSVWG Chair
> ----------------------------------------------------------------------
> Multimedia Technologies, Ericsson Research EAB/TVM/M
> ----------------------------------------------------------------------
> Ericsson AB                | Phone +46 8 4048287
> Torshamsgatan 23           | Fax   +46 8 7575550
> S-164 80 Stockholm, Sweden | mailto: magnus.westerlund at ericsson.com
> ----------------------------------------------------------------------

_______________________________________________
Audio/Video Transport Working Group
avt at ietf.org
https://www1.ietf.org/mailman/listinfo/avt