Re: [MMUSIC] draft-ietf-mmusic-rtsp-nat: ICE restart fails, then what?

[Magnus Westerlund <[e-mail]>]

On 2014-01-30 14:01, Ari Keranen wrote:
> Hi Magnus,
> 
> I agree that one should not terminate existing session that works just
> because an ICE restart fails. I think the text you quoted is rather for
> a situation where this is the first session and there are no existing
> (working) sessions.
> 
> Hence, your text proposal looks good to me, with a few nits (see inline).

Thanks for the review, I will fix the nits and push a new version.

Cheers

Magnus

> 
> On 22/01/14 16:00, Magnus Westerlund wrote:
> [...]
>> Thus my current proposal for Section 6.12 of draft-ietf-mmmusic-rtsp-nat
>> is the following:
>>
>>     If the RTSP session is in playing state at the time of sending the
>>     SETUP request requiring ICE restart, then the ICE connectivity checks
>>     SHALL use Regular nomination.  Any ongoing media delivery continues
>>     on the previously nominated candidate pairs until the new pairs have
>>     been nominated for the individual candidate.  Once the nomination of
> 
> "nominating pairs for candidate" sounds a bit strange. Should that be
> e.g., "nominated for the individual stream"?
> 
>>     the new candidate pair has completed, all unused candidates may be
>>     released.  If the ICE processing fails and no new candidate pairs are
>>     promoted for use, then one MAY continue to use the previously
> 
> s/promoted/nominated/
> 
>>     nominated candidate pairs while they still function.  If they have
> s/have//
> 
>>     appear to fail to transport media packets anymore then the client can
>>     select between two actions.  First, if it has any actions available
>>     that might make ICE work, like trying another STUN/TURN server or
>>     change the transport parameters it modifies the session, and if ICE
>>     is still to be used restart ICE.
> 
> The sentence above probably needs some more commas in right places (or
> maybe break it in pieces).
> 
> 
> Cheers,
> Ari
> 
> 


-- 

Magnus Westerlund

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