Re: [MMUSIC] Is ice-mismatch media or session level?
Suhas Nandakumar <suhasietf@gmail.com> Wed, 15 May 2019 07:59 UTC
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From: Suhas Nandakumar <suhasietf@gmail.com>
Date: Wed, 15 May 2019 00:59:23 -0700
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To: Flemming Andreasen <fandreas@cisco.com>
Cc: Christer Holmberg <christer.holmberg@ericsson.com>, mmusic WG <mmusic@ietf.org>
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Subject: Re: [MMUSIC] Is ice-mismatch media or session level?
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On Mon, May 13, 2019 at 9:26 AM Flemming Andreasen <fandreas@cisco.com> wrote: > > > On 5/13/19 1:22 AM, Suhas Nandakumar wrote: > > I am inclined to leave it as media-level attribute. I am not sure what > more clarification is needed in the text today ? > > Are the clarifications Roman suggested below already included ? > I am finding it hard to parse suggested clarification. I am sure I am missing something. > Thanks > > -- Flemming > > > On Sun, May 12, 2019 at 8:41 PM Flemming Andreasen <fandreas@cisco.com> > wrote: > >> Based on the errata, it seems like the intent was for to be media-level. >> I'd suggest we keep it that way and add the clarifications you outline >> below. >> >> If people feel otherwise, please speak up no later than May 19. >> >> Thanks >> >> -- Flemming (with chair hat on) >> >> >> >> On 4/29/19 4:44 PM, Roman Shpount wrote: >> >> Hi Christer, >> >> Thank you for reviewing and responding. >> >> On Sat, Apr 27, 2019 at 1:48 PM Christer Holmberg < >> christer.holmberg@ericsson.com> wrote: >> >>> Before we just change something back we need to think what the reason >>> for the change to media-level was. Could it be related to RTCWEB? >>> >>> >> This is definitely not RTCWEB related, since RTCWEB should never generate >> ice-mismatch or use it for any reason. >> >> The ice-mismatch attribute was session only according to RFC 5245 Section >> 21.1.4 (https://tools.ietf.org/html/rfc5245#section-21.1.4). At the same >> time, according to RFC 5245 Section 15..3 ( >> https://tools.ietf.org/html/rfc5245#section-15.3), ice-mismatch is media >> level attribute only. This being said, according to RFC 5245 Section 6.1 ( >> https://tools.ietf.org/html/rfc5245#section-6.1), ice-mismatch applies >> to the whole session, but it is specified per m= line. According to errata >> 3149 (https://www.rfc-editor.org/errata/eid3149), ice-mismatch should be >> media level. So, it is a bit of a mess. >> >> I can change ice-mismatch back to media level, but what we need to >> clarify then is the following: If ice-mismatch is present in the m= line, >> does it stop ICE processing for the whole session or for this m= line only? >> >> If it stops ICE processing for the whole session then it makes little or >> no sense being specified per m= line. If it only stops processing for >> specific m= line, then ice-mismatch probably also makes sense at the >> session level to stop ICE processing for the whole session. >> >> I am definitely open to input here. >> _____________ >> Roman Shpount >> >> >> _______________________________________________ >> mmusic mailing listmmusic@ietf.orghttps://www.ietf..org/mailman/listinfo/mmusic <https://www.ietf.org/mailman/listinfo/mmusic> >> >> >> _______________________________________________ >> mmusic mailing list >> mmusic@ietf.org >> https://www.ietf.org/mailman/listinfo/mmusic >> > > _______________________________________________ > mmusic mailing listmmusic@ietf.orghttps://www.ietf.org/mailman/listinfo/mmusic > > >
- [MMUSIC] Is ice-mismatch media or session level? Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Christer Holmberg
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Flemming Andreasen
- Re: [MMUSIC] Is ice-mismatch media or session lev… Christer Holmberg
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount
- Re: [MMUSIC] Is ice-mismatch media or session lev… Suhas Nandakumar
- Re: [MMUSIC] Is ice-mismatch media or session lev… Roman Shpount