Re: [MMUSIC] Questions about ICE candidates with BUNDLE
Christer Holmberg <christer.holmberg@ericsson.com> Tue, 08 March 2016 19:09 UTC
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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Paul Kyzivat <pkyzivat@alum.mit.edu>, Peter Thatcher <pthatcher@google.com>
Thread-Topic: [MMUSIC] Questions about ICE candidates with BUNDLE
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Date: Tue, 08 Mar 2016 19:08:48 +0000
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] Questions about ICE candidates with BUNDLE
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Hi, >> Does anyone else have opinions on this? One would assume that the >> folks (Bernard, Martin, Ekr…) representing the other browser vendors >> would have an opinion. >> >> Whatever your opinion is (even if you don’t care), please indicate so NOW. >> I want to avoid implementing this change, and then have someone saying >> he/she doesn’t like it... > > I have lost track - is the intent to limit this de-duplication to bundle-only? If it is to apply to m-lines that might be removed from the bundle then it gets more complicated. > > I guess it couldn't *only* apply to bundle-only - at least one of the lines in the group can't have that. It applies to bundled m- lines that contain a previously negotiated *shared* address (not only bundle-only). We already specified this for ICE-related attributes, and the question is whether we should do it also for other attributes that must share the same value. Regards, Christer > On 05/03/16 16:04, "mmusic on behalf of Christer Holmberg" > <mmusic-bounces@ietf.org on behalf of christer.holmberg@ericsson.com> > wrote: > >> Hi, >> >>> I took a look, and it seems fine to me. >>> >>> One question that was brought up to me about this is, though is: >>> would it make sense to expand this de-duplication rule to all >>> transport-level attributes (like a=fingerprint) and not just ICE >>> attributes? We talked about this before, and my response was >>> basically "the ICE candidates are my biggest pain point", but now I >>> think I'm more in favor of saying all transport-level attributes >>> should be de-duplicated. What does everyone else think? >> >> I guess it would apply to transport-level attributes AND other >> attributes that must have identical values within a bundle group, >> i.e. attributes within the TRANSPORT and IDENTICAL categories [draft-mux-attributes]. >> >> I don't have any strong opinions. If you think it make life easier >> for implementers we should definitely consider it :) >> >> Regards, >> >> Christer >> >> >> On Fri, Feb 26, 2016 at 1:23 PM, Peter Thatcher >> <pthatcher@google.com> >> wrote: >> Sure. >> >> On Thu, Feb 25, 2016 at 1:07 AM, Christer Holmberg >> <christer.holmberg@ericsson.com> wrote: >> Hi Peter, >> >> I submitted a new version (-27) of BUNDLE a few days ago. Could you >> take a look at the ICE Considerations section, and say whether you >> are ok with the text? >> >> Thanks! >> >> Regards, >> >> Christer >> >> From: Peter Thatcher [mailto:pthatcher@google.com] >> Sent: 25 February 2016 08:53 >> To: Christer Holmberg <christer.holmberg@ericsson.com> >> Cc: Roman Shpount <roman@telurix.com>; mmusic@ietf.org; Paul Kyzivat >> <pkyzivat@alum.mit.edu> >> >> Subject: Re: [MMUSIC] Questions about ICE candidates with BUNDLE >> >> That makes sense to me. >> >> On Sun, Feb 21, 2016 at 2:12 AM, Christer Holmberg >> <christer.holmberg@ericsson.com> wrote: >> Hi Roman, >> >> I didn't check whether some of the ICE attributes were session-level, >> but I agree with what you say: the same rule should apply to all >> media-level ICE attributes. >> >> Regards, >> >> Christer >> >> Sent from my Windows Phone >> ________________________________________ >> From: Roman Shpount >> Sent: 21/02/2016 08:21 >> To: Christer Holmberg >> Cc: Peter Thatcher; mmusic@ietf.org; Paul Kyzivat >> Subject: Re: [MMUSIC] Questions about ICE candidates with BUNDLE On >> Sat, Feb 20, 2016 at 12:57 PM, Christer Holmberg >> <christer.holmberg@ericsson.com> wrote: >>>> Correct, and that's one reason I suggest that we limit the scope to >>>> ICE, eventhough we probably could do the same thing for any >>>> IDENTICAL and TRANSPORT category attribute. >>> >> > While it would be nice to remove any duplication, the duplication >> is particularly painful for ICE candidates, because >>> there can be a lot of them, and because they change without any >>> offer/answer action (thanks to trickle ICE). So if we just covered >>> that candidates, we'd be getting most of the value. >> >> Assuming the scope is ICE, shouldn't the same still apply also to >> other ICE related attributes? I assume the values for the >> "remote-candidates", "ice-lite", "ice-mismatch", "ice-ufrag", >> "ice-pwd", "ice-pacing" and "ice-options" attributes will be identical within a BUNDLE group, so... >> >> "ice-lite" and "ice-options" are session level only candidates, so >> they should not be in the m= line BUNDLE or any other type. The same >> logic that applies to ICe candidates should apply to other media >> level ICE SDP attributes or things will break >> >> Regards, >> _____________ >> Roman Shpount >> >> >> >> >> _______________________________________________ >> mmusic mailing list >> mmusic@ietf.org >> https://www.ietf.org/mailman/listinfo/mmusic >
- [MMUSIC] Questions about ICE candidates with BUND… Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Bernard Aboba
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Paul Kyzivat
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Paul Kyzivat
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Roman Shpount
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Peter Thatcher
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Paul Kyzivat
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Paul Kyzivat
- Re: [MMUSIC] Questions about ICE candidates with … Justin Uberti
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Suhas Nandakumar
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Suhas Nandakumar
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Taylor Brandstetter
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Taylor Brandstetter
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg
- Re: [MMUSIC] Questions about ICE candidates with … Taylor Brandstetter
- Re: [MMUSIC] Questions about ICE candidates with … Christer Holmberg