Re: [MMUSIC] ICE-SIP-SDP: Concluding ICE statement

Roman Shpount <roman@telurix.com> Tue, 23 July 2019 22:40 UTC

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From: Roman Shpount <roman@telurix.com>
Date: Tue, 23 Jul 2019 18:40:32 -0400
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To: Christer Holmberg <christer.holmberg@ericsson.com>
Cc: "mmusic@ietf.org" <mmusic@ietf.org>, "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>, Suhas Nandakumar <suhasietf@gmail.com>
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Subject: Re: [MMUSIC] ICE-SIP-SDP: Concluding ICE statement
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On Tue, Jul 23, 2019 at 6:33 PM Christer Holmberg <
christer.holmberg@ericsson.com> wrote:

> Once the agent has successfully nominated a pair, the state of the check
> list associated with the pair is set to Completed. Once the state of
> each check list is set to either Completed or Failed, for each Completed
> check list the agent checks whether the nominated pair matches the
> default candidate pair. If there are one or more pairs that don't match,
> and the peer did not indicate support for the 'ice2' ice-option, the
> controlling
> agent MUST generate a subsequent offer, in which the connection address,
> port and transport protocol in the "c=" and "m=" lines
> associated with each data stream match the corresponding local information
> of the nominated pair for that data stream (Section 3.4.1.2.2.).
> Furthermore, if there are one or more check lists with the state set to
> Failed, the controlling agent MUST generate a subsequent offer in order to
> remove
> the associated data streams by setting the port value of the data streams
> to zero (Section 3.4.1.1.2.), even if  the peer did indicate support for
> the 'ice2' ice-option.
>

This looks good to me too. I have copied Suhas so that he can review and
update draft-ietf-mmusic-ice-sip-sdp section 3.3.4 (
https://tools.ietf.org/html/draft-ietf-mmusic-ice-sip-sdp-36#section-3.3.4)

Best Regards,
_____________
Roman Shpount