Re: [MMUSIC] Trickle ICE comments [Re: Trickle ICE update and a new SIP usage draft.]
Flemming Andreasen <fandreas@cisco.com> Thu, 07 February 2013 16:09 UTC
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Date: Thu, 07 Feb 2013 11:09:52 -0500
From: Flemming Andreasen <fandreas@cisco.com>
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To: Ted Hardie <ted.ietf@gmail.com>
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Cc: MMUSIC IETF WG <mmusic@ietf.org>
Subject: Re: [MMUSIC] Trickle ICE comments [Re: Trickle ICE update and a new SIP usage draft.]
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On 2/7/13 11:02 AM, Ted Hardie wrote: > On Thu, Feb 7, 2013 at 10:27 AM, Flemming Andreasen <fandreas@cisco.com> wrote: >> On 2/7/13 10:19 AM, Ted Hardie wrote: >>> On Thu, Feb 7, 2013 at 10:10 AM, Flemming Andreasen <fandreas@cisco.com> >>> wrote: >>>> 7) It seems the inclusion of the "trickle" ice-options is what will >>>> trigger >>>> the use of tricke-ICE. I think this is a slight overloading of the >>>> ice-options semantics inasmuch as it is intended to indicate support for >>>> a >>>> given extension, which does not necessarily imply you actually want to >>>> use >>>> that extension. I think it would be useful to have a separate way of >>>> indicating you also want to use trickle-ICE. >>>> >>> Why wouldn't just starting trickle-ICE be sufficient indication, >> How would you know you started trickle-ICE or vanilla ICE ? >> > Well, you'd have a very strong indication if the candidate list were > empty, and a reasonable indication if it contained only host > candidates. If that weren't the case, you'd have to keep open the > possibility that more candidates might come in. The above would seem to favor an explicit indication. > But I think I've been thinking of this the other way around--if both > sides are known to support trickle-ICE, the client sends > a=end-of-candidates whenever it's done *even if that is on the first > candidate set sent*. Not sure I follow - this would terminate trickle-ICE prematurely, no ? > Perhaps that is "vanilla ICE with sprinkles", > but it seems to solve the problem without another indicator/round of > negotiation. As you note, that may overload the the ice-option > semantics, but it seems likely to work reasonable well. I don't think it does since it would seem to terminate trickle-ICE prematurely, but maybe we should wait for the authors to clarify. Thanks -- Flemming > regards, > > Ted > > >> -- Flemming >>> given >>> that it has been indicated as supported? I think the half-trickle >>> option covers the case where you don't know that it is supported, but >>> it may be I am misunderstanding the issue. >>> >>> regards, >>> >>> Ted >>> _______________________________________________ >>> mmusic mailing list >>> mmusic@ietf.org >>> https://www.ietf.org/mailman/listinfo/mmusic >>> > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic > . >
- [MMUSIC] Trickle ICE update and a new SIP usage d… Emil Ivov
- [MMUSIC] Trickle ICE comments [Re: Trickle ICE up… Flemming Andreasen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Flemming Andreasen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Ted Hardie
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Flemming Andreasen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Ted Hardie
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Flemming Andreasen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Ted Hardie
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Matthew Kaufman
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Ted Hardie
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Emil Ivov
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Emil Ivov
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Flemming Andreasen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Christer Holmberg
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Ari Keränen
- Re: [MMUSIC] Trickle ICE comments [Re: Trickle IC… Emil Ivov