Re: [rtcweb] JSEP-01: Release of non-needed ICE candidates

On Wed, Feb 15, 2012 at 12:28 PM, Christer Holmberg <
christer.holmberg@ericsson.com> wrote:

>
> Hi,
>
> My use-case is not about whether the app wants turn candidates or not - it
> is about that fact that it at some point decides to send the SIP SDP offer
> towards the remote party, even if it has not received all candidates that
> is previously specified.
>
> Maybe the browser, due to some network and/or configuration error, isn't
> even able to contact a turn server. Will it inform the app about that, or
> will it simply not provide turn candidates?
>

Right now, it will simply not provide STUN or TURN candidates if it can't
contact the appropriate server.


>
> Regards,
>
> Christer
>
> ________________________________________
> From: Jim Barnett [Jim.Barnett@genesyslab.com]
> Sent: Wednesday, February 15, 2012 5:43 PM
> To: Christer Holmberg; rtcweb@ietf.org; public-webrtc@w3.org
> Subject: RE: [rtcweb] JSEP-01: Release of non-needed ICE candidates
>
> In section 6.1.9 of the latest JSEP draft, the startICE() function allows
> the JS app to specify which types of candidates it wants,  so your app can
> avoid getting turn candidates in the first place.  I would also assume that
> the browser could/would release un-needed resources when
> setRemoteDescription is called.
>
>
> -          Jim
>
> From: rtcweb-bounces@ietf.org [mailto:rtcweb-bounces@ietf.org] On Behalf
> Of Christer Holmberg
> Sent: Wednesday, February 15, 2012 9:27 AM
> To: rtcweb@ietf.org; public-webrtc@w3.org
> Subject: [rtcweb] JSEP-01: Release of non-needed ICE candidates
>
>
> Hi,
>
> Assume my SIP JS app gets an offer, and some ICE candidatates, generates
> and sends a SIP SDP offer.
>
> Later, the browser provides additional ICE candidates (using the ice
> callback function).
>
> My SIP JS app is not interested in the additional ICE candidates.
>
> Q1: Is it possible for the JS app to inform the browser that it does not
> need the additional ICE candidates? For example, if my app is given turn
> candidates, which I am not going to use (read: offer to the remote party),
> there is really no need for the browser to maintain the connection with the
> turn server.
>
> Q2: Do we assume that the browser at some point (e.g. when the associated
> answer is provided) will be able to release resources associated with
> non-needed ICE candidates?
>
> Regards,
>
> Christer
>
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