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

Roman Shpount <roman@telurix.com> Tue, 23 July 2019 21:41 UTC

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From: Roman Shpount <roman@telurix.com>
Date: Tue, 23 Jul 2019 17:41:14 -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>
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Subject: Re: [MMUSIC] ICE-SIP-SDP: Concluding ICE statement
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On Tue, Jul 23, 2019 at 5:29 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,..."
>
>
I am still unclear about Failed. I would prefer the last sentence to say:

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, or if
there are any Failed check lists, and the peer did not indicate support for
the 'ice2' ice-option, the controlling agent MUST generate a subsequent
offer (Section 3.4.1), 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. Data streams associated with a Failed check lists MUST be rejected
by setting port in "m=" line to zero.

Best Regards,
_____________
Roman Shpount

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