Re: [MMUSIC] Questions about ICE candidates with BUNDLE
Paul Kyzivat <pkyzivat@alum.mit.edu> Tue, 08 March 2016 19:21 UTC
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To: Christer Holmberg <christer.holmberg@ericsson.com>, Peter Thatcher <pthatcher@google.com>
References: <CAJrXDUHutBgaPOV73-CyD_Knz+G5RFE0VX4s3+GqGV8K=B1LNA@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B37E061CD@ESESSMB209.ericsson.se> <56C5F405.1020305@alum.mit.edu> <7594FB04B1934943A5C02806D1A2204B37E07AE0@ESESSMB209.ericsson.se> <CAJrXDUGU8SuBHJNQ+Y5DBYcj5pukfXQc742dEFAPCiUKDxN2Cw@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B37E21B6C@ESESSMB209.ericsson.se> <CAD5OKxvj25TE-RCvGOU4LQV=a+3aCzZLEB6U=SbTTUmoKVbXeA@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B37E24284@ESESSMB209.ericsson.se> <CAJrXDUG-9CE=vx31gpJZ+Yeb_4LEqUfWWqDsyQNFk1MWfbcTng@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B37E40FC1@ESESSMB209.ericsson.se> <CAJrXDUFAFymTO+wZnv-8c4pbEbEPSmPprevX_BZY9GS6PNeOXA@mail.gmail.com> <CAJrXDUEGOyASOErt_DHFpaAS-TScxQ=5NHexpjeKS9LPCJ+Qvg@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B37E7032B@ESESSMB209.ericsson.se> <D3044F95.55CF%christer.holmberg@ericsson.com> <56DEFBCB.70203@alum.mit.edu> <7594FB04B1934943A5C02806D1A2204B37E9EAC2@ESESSMB209.ericsson.se>
From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Date: Tue, 08 Mar 2016 14:20:56 -0500
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Cc: "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] Questions about ICE candidates with BUNDLE
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On 3/8/16 2:08 PM, Christer Holmberg wrote: > 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. OK. At the moment I can't think of any reason not to generalize this. Thanks, Paul > 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