Re: SDP renegotiation with same msid but different ssrc (video becomes frozen) from Randell Jesup on 2016-04-15 (public-webrtc@w3.org from April 2016)

From: Randell Jesup <randell-ietf@jesup.org>
Date: Fri, 15 Apr 2016 10:26:43 -0400
To: public-webrtc@w3.org
Message-ID: <5710FA23.6080508@jesup.org>

On 4/15/2016 7:33 AM, Iñaki Baz Castillo wrote:
> 2016-04-14 20:45 GMT+02:00 Cullen Jennings <fluffy@iii.ca>:
>> The sender can change the SSRC whenever it becomes aware of a SSRC collisions and the receiver has to deal with that. It's one of the many reasons for use of identifiers other than SSRC (like rid)
> SSRC is a 32 bit long integer. There are no SSRC collisions. And if
> there were, there could also be RID or MID collisions.

SSRC collisions happen in real life.  Some devices like to use 
non-random SSRCs (0 is a good value, right? Or 1? ;-)  ), and they can 
end up colliding.  Or they seed poorly.  Or just bad luck.

-- 
Randell Jesup -- rjesup a t mozilla d o t com
Please please please don't email randell-ietf@jesup.org!  Way too much spam

Received on Friday, 15 April 2016 14:30:06 UTC