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Re: [MMUSIC] Change Alert [Re: Modifying an approved document: MSID]

Suhas Nandakumar <suhasietf@gmail.com> Sat, 28 January 2017 03:46 UTC

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References: <24b5eee4-29b1-33b0-ecea-58c766636311@alvestrand.no> <50b49dbf-7de1-a7c4-923f-f702ac14215e@alvestrand.no> <0df3cbb0-a3e7-011c-c4d5-63aad9350283@alvestrand.no> <e4d73f68-4e70-05f9-bfc8-4429210c5313@cisco.com> <CAOW+2dsatEFie4WuaGhprxVw9z-DfMZhPOYetDr+itP5TSnoAw@mail.gmail.com>
In-Reply-To: <CAOW+2dsatEFie4WuaGhprxVw9z-DfMZhPOYetDr+itP5TSnoAw@mail.gmail.com>
From: Suhas Nandakumar <suhasietf@gmail.com>
Date: Sat, 28 Jan 2017 03:46:30 +0000
Message-ID: <CAMRcRGTjaA8D3nEgXjxBAT5S3kaxfMtxj_PckZ8Pr5So4b4RVA@mail.gmail.com>
To: Bernard Aboba <bernard.aboba@gmail.com>, Flemming Andreasen <fandreas@cisco.com>
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>, mmusic WG <mmusic@ietf.org>
Subject: Re: [MMUSIC] Change Alert [Re: Modifying an approved document: MSID]
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+1
On Fri, Jan 27, 2017 at 10:20 AM Bernard Aboba <bernard.aboba@gmail.com>
wrote:

> I am in favor of the change.
>
> On Thu, Jan 26, 2017 at 5:54 AM, Flemming Andreasen <fandreas@cisco.com>
> wrote:
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> Hi Harald
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> Since the document is not yet in Auth48 and the change is relatively
> minor, it is possible to update it during Auth48.
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> However, from an MMUSIC chair point of view, I would like to get positive
> confirmation from some of the stakeholders that this change is indeed
> desired. Similarly, if anybody has any concerns with the suggested change,
> please send an e-mail to that effect.
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> Thanks
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> -- Flemming (as MMUSIC co-chair)
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> On 1/23/17 10:18 AM, Harald Alvestrand wrote:
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> Den 19. jan. 2017 13:31, skrev Harald Alvestrand:
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> Ted pointed out to me that I sent this to the wrong group.
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> Chairs and members, please advise.
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> My proposed change is here:
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> https://github.com/alvestrand/rtcweb-msid/pull/16
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> The filed issue is here:
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> https://github.com/alvestrand/rtcweb-msid/issues/15
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> (CCing RTCWEB - please keep discussion, if any, on mmusic)
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> -------- Forwarded Message --------
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> Subject:        [rtcweb] Modifying an approved document: MSID
>
>
> Date:   Wed, 18 Jan 2017 23:22:14 +0100
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> From:   Harald Alvestrand <harald@alvestrand.no>
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> To:     rtcweb@ietf.org <rtcweb@ietf.org>
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> When reviewing the implications of the PeerConnection API change to
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> support AddTrack rather than AddStream, I found an issue.
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> This issue concerns draft-ietf-rtcweb-msid, which is currently in
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> REF-WAIT state (I believe).
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> The issue is that it is possible to add a track without specifying a
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> stream. Since the track's ID needs to be carried, we have to send an
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> "a=msid" line, but the track's ID is the *second* field on that line,
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> with the first being the stream's ID.
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> This creates a problem.
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> Suggested fix: Insert two lines in the document:
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> 1) On SDP generation:
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> "If there is no stream associated with the track, use the reserved ID
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> value '-'"
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> 2) On SDP parsing
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> "If the stream ID is the reserved value '-', the track is not associated
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> with a stream, and no stream is signalled or created."
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> If this is OK with the community, I'll issue an updated draft with this
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> change.
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> --
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> Surveillance is pervasive. Go Dark.
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> _______________________________________________
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> rtcweb mailing list
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> rtcweb@ietf.org
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> https://www.ietf.org/mailman/listinfo/rtcweb
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> _______________________________________________
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> mmusic mailing list
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> mmusic@ietf.org
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> https://www.ietf.org/mailman/listinfo/mmusic
>
>
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> _______________________________________________
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> mmusic mailing list
>
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> mmusic@ietf.org
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> https://www.ietf.org/mailman/listinfo/mmusic
>
>
> .
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> _______________________________________________
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> mmusic mailing list
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> mmusic@ietf.org
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> https://www.ietf.org/mailman/listinfo/mmusic
>
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> _______________________________________________
>
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>
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>
> https://www.ietf.org/mailman/listinfo/mmusic
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>

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