Re: [rtcweb] [Ice] WGLC Review of draft-ietf-ice-rfc5245bis-12

I think the rewrites done are entirely satisfactory. There's always things one can quibble about, but finishing is valuable. On to IETF Last Call!

Den 28. oktober 2017 19:47:53 CEST, skrev Peter Thatcher <pthatcher@google.com>:
>I looked through all of Harald's suggestions and I reviewed the PRs
>since
>then, and it appears to me that most, if not all, of Harald's
>suggestions
>have been incorporated into the doc.
>
>Do the two of you agree, or is there something still missing that we
>need
>to do?
>
>On Tue, Oct 17, 2017 at 12:32 PM Harald Alvestrand
><harald@alvestrand.no>
>wrote:
>
>> Leaving in only the one with something left to write...
>>
>> Den 17. okt. 2017 21:26, skrev Christer Holmberg:
>> >> I was thinking of something like:
>> >>
>> >> The exchange of information MUST result in the following
>information
>> being available to the ICE agent:
>> >>
>> >> - Whether the remote peer supports ICE at all
>> >> - What ICE options, if any, are supported
>> >> - Whether the remote peer is Lite or Full
>> >> - Whether the remote peer thinks it's the Initiating Agent or not
>> >> - What candidates the remote peer wishes to make available
>> >> - Whether an ICE restart is desired
>> > Looks ok, but I am not sure what mean by the 4th, regarding
>thinking
>> it's the initiating agent or not.
>> >
>> >
>>
>> The spec says that the initiating agent will take the CONTROLLING
>role
>> if both parties are Full ICE implementations, or if both parties are
>> Lite implementations. This means that it has to know that it's the
>> initiating agent.
>>
>> In cases like Offer/Answer (without glare), it's simple to see which
>one
>> is initiating. In cases with 3rd party control (both parties get
>called
>> for setup), chat-line systems (both parties initiate a join) or
>> protocols where glare is possible, something has to make the decision
>on
>> which side has the Initiator role.
>>
>> I'd prefer to abandon the Initiator concept, and say that the
>exchange
>> of information should give back the information to each about whether
>> they should try to take the Controlling role, but that may be a
>larger
>> rewrite.
>>
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