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Re: [rtcweb] Working Group Last Call: draft-ietf-rtcweb-jsep-19.txt

Magnus Westerlund <magnus.westerlund@ericsson.com> Sun, 26 March 2017 20:34 UTC

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To: Eric Rescorla <ekr@rtfm.com>
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From: Magnus Westerlund <magnus.westerlund@ericsson.com>
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Date: Sun, 26 Mar 2017 15:34:26 -0500
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Subject: Re: [rtcweb] Working Group Last Call: draft-ietf-rtcweb-jsep-19.txt
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Hi,

I have created an PR:

https://github.com/rtcweb-wg/jsep/pull/629

Cheers

Magnus


Den 2017-03-24 kl. 13:52, skrev Eric Rescorla:
> PR welcome.
>
> -Ekr
>
>
> On Fri, Mar 24, 2017 at 8:37 AM, Magnus Westerlund
> <magnus.westerlund@ericsson.com <mailto:magnus.westerlund@ericsson.com>>
> wrote:
>
>     Den 2017-03-24 kl. 16:17, skrev Eric Rescorla:
>
>
>
>         On Fri, Mar 24, 2017 at 6:23 AM, Magnus Westerlund
>         <magnus.westerlund@ericsson.com
>         <mailto:magnus.westerlund@ericsson.com>
>         <mailto:magnus.westerlund@ericsson.com
>         <mailto:magnus.westerlund@ericsson.com>>>
>         wrote:
>
>             2. Section 5.1.2:
>
>                o  The profile in any "m=" line in any answer MUST
>         exactly match the
>                   profile provided in the offer.
>
>                o  Any profile matching the following patterns MUST be
>         accepted:
>                   "RTP/[S]AVP[F]" and "(UDP/TCP)/TLS/RTP/SAVP[F]"
>
>             These two are in conflict in cases when the answer to an
>             "UDP/TLS/RTP/SAVPF" offer comes back as UDP/TLS/RTP/SAVP.
>         Then the
>             first can't be fulfilled, but the second is. Isn't the rule "It
>             either is an exact match or matches the following patterns"?
>
>
>         They are not in conflict. The first is about what you send. The
>         second
>         is about what you accept.
>
>
>     Ok, but the received vs send directionality is not at all clear in
>     the first bullet. The accept in the second bullet, implies a
>     received SDP. I would propose that the first bullet is ammended to
>     include a "in any answer generated by the JSEP implementation MUST
>     exactly ..." or similar.
>
>
>     Cheers
>
>     Magnus Westerlund
>
>     ----------------------------------------------------------------------
>     Media Technologies, Ericsson Research
>     ----------------------------------------------------------------------
>     Ericsson AB                 | Phone  +46 10 7148287
>     <tel:%2B46%2010%207148287>
>     Färögatan 6                 | Mobile +46 73 0949079
>     <tel:%2B46%2073%200949079>
>     SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
>     <mailto:magnus.westerlund@ericsson.com>
>     ----------------------------------------------------------------------
>
>


-- 

Magnus Westerlund

----------------------------------------------------------------------
Media Technologies, Ericsson Research
----------------------------------------------------------------------
Ericsson AB                 | Phone  +46 10 7148287
Färögatan 6                 | Mobile +46 73 0949079
SE-164 80 Stockholm, Sweden | mailto: magnus.westerlund@ericsson.com
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