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Re: [MMUSIC] [rtcweb] Adam Roach's Discuss on draft-ietf-mmusic-trickle-ice-sip-14: (with DISCUSS and COMMENT)

Christer Holmberg <christer.holmberg@ericsson.com> Sat, 05 May 2018 06:48 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Nils Ohlmeier <nohlmeier@mozilla.com>
CC: Ben Campbell <ben@nostrum.com>, "mmusic-chairs@ietf.org" <mmusic-chairs@ietf.org>, mmusic WG <mmusic@ietf.org>, "ice@ietf.org" <ice@ietf.org>, "rtcweb@ietf.org" <rtcweb@ietf.org>, The IESG <iesg@ietf.org>, "draft-ietf-mmusic-trickle-ice-sip@ietf.org" <draft-ietf-mmusic-trickle-ice-sip@ietf.org>
Thread-Topic: [rtcweb] [MMUSIC] Adam Roach's Discuss on draft-ietf-mmusic-trickle-ice-sip-14: (with DISCUSS and COMMENT)
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Date: Sat, 05 May 2018 06:46:54 +0000
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Subject: Re: [MMUSIC] [rtcweb] Adam Roach's Discuss on draft-ietf-mmusic-trickle-ice-sip-14: (with DISCUSS and COMMENT)
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Hi Nils,

>> 2) Trickle ICE is based on 5245bis, and I think (please correct me if I¹m
>> wrong) that one must implement draft-5245bis in order to be able to
>> implement trickle according to the spec.
>
> Chrome and Firefox both have implemented trickle without supporting 5245bis.
> So it works fine if one just implements 5245.
> Although I guess by the true definition of the hopefully soon published trickle RFC neither of these 
> have implemented trickle correct, as they both don’t support the new 3rd nomination algorithm.

Correct. RFC 5245 does contain all the pieces needed to define a trickle extension, but people will have to figure out the details themselves.

Because, if you want to implement trickle according to the trickle draft it has to be based on 5245bis, because some of the algorithms/procedures are 5245bis-specific. 

For example, the check list state update procedures in section 12 are based on 5245bis. Those are different from the procedures in RFC 5245, and were done based on "Emil's table".

Section 8 is another example where the procedures are 5245bis-specific.

Regards,

Christer







On 03/05/18 20:32, "Christer Holmberg" <christer.holmberg@ericsson.com>
wrote:


Hi,


Have you looked at the RFC editor note Adam entered for jsep?

https://datatracker.ietf.org/doc/draft-ietf-rtcweb-jsep/writeup/  (scoll
down)

No, I haven't. I didn't know it was there. Sorry for that.

I will take a look.

Regards,

Christer


On May 3, 2018, at 7:00 AM, Christer Holmberg
<christer.holmberg@ericsson.com> wrote:

Hi,


This isn't simply an issue of what we reference but which protocol
we expect people to implement, as they are non-identical.

Sure. But, my comment was on Ben¹s message that we¹ll ask the RFC
editor to change the references.

Regards,

Christer


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