Re: [MMUSIC] Comment on SIP Trickle ICE based on INFO draft

[Paul Kyzivat <[e-mail]>]

One comment

On 3/23/14 7:54 AM, Emil Ivov wrote:

> This is analogous to an UPDATE that is received before regular 5245 ICE
> processing has completed.
>
>  > >     a) INVITE from local
>  > >     b) 183 session progress from remote
>  > >     c) PRACK from local
>  > >     d) INFO from local (relay candidates)
>  > >     e) UPDATE from remote
>  > >
>  > > Here, the remote has to consider whether INFO belongs to UPDATE or
>  > > INVITE as
>  > > it is possible for INFO to reach before 200 OK for UPDATE as well in
>  > > the
>  > > same sequence.
>
> And CSeq headers wouldn't help here because ....?

IIUC, the question is whether the remote can tell whether the INFO was 
sent before or after receiving the UPDATE.

CSeq values are independent in each direction. So they are useless to 
answer this question. Something else will be needed.

	Thanks,
	Paul