Re: [rtcweb] Codec control and SDP offer/answer frequency

<Markus.Isomaki@nokia.com> Thu, 23 August 2012 21:00 UTC

Return-Path: <Markus.Isomaki@nokia.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C490F21F859E for <rtcweb@ietfa.amsl.com>; Thu, 23 Aug 2012 14:00:13 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.599
X-Spam-Level:
X-Spam-Status: No, score=-6.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id nTuwJenwjMQE for <rtcweb@ietfa.amsl.com>; Thu, 23 Aug 2012 14:00:13 -0700 (PDT)
Received: from mgw-sa02.nokia.com (smtp.nokia.com [147.243.1.48]) by ietfa.amsl.com (Postfix) with ESMTP id F03B221F8582 for <rtcweb@ietf.org>; Thu, 23 Aug 2012 14:00:12 -0700 (PDT)
Received: from vaebh102.NOE.Nokia.com (vaebh102.europe.nokia.com [10.160.244.23]) by mgw-sa02.nokia.com (Sentrion-MTA-4.2.2/Sentrion-MTA-4.2.2) with ESMTP id q7NKxx61003236; Thu, 23 Aug 2012 23:59:59 +0300
Received: from smtp.mgd.nokia.com ([65.54.30.57]) by vaebh102.NOE.Nokia.com over TLS secured channel with Microsoft SMTPSVC(6.0.3790.4675); Thu, 23 Aug 2012 23:59:59 +0300
Received: from 008-AM1MPN1-042.mgdnok.nokia.com ([169.254.2.220]) by 008-AM1MMR1-002.mgdnok.nokia.com ([65.54.30.57]) with mapi id 14.02.0283.004; Thu, 23 Aug 2012 22:59:58 +0200
From: <Markus.Isomaki@nokia.com>
To: <harald@alvestrand.no>, <christer.holmberg@ericsson.com>
Thread-Topic: [rtcweb] Codec control and SDP offer/answer frequency
Thread-Index: AQHNgW8HRNeyJMFktEekoJ61nDHCnJdn4IsA
Date: Thu, 23 Aug 2012 20:59:57 +0000
Message-ID: <E44893DD4E290745BB608EB23FDDB76228FB98@008-AM1MPN1-042.mgdnok.nokia.com>
References: <7F2072F1E0DE894DA4B517B93C6A05853409FF2EE3@ESESSCMS0356.eemea.ericsson.se>, <5035F12F.9000608@alvestrand.no> <7F2072F1E0DE894DA4B517B93C6A05853409FF2EF9@ESESSCMS0356.eemea.ericsson.se> <503608A5.6090304@alvestrand.no> <7F2072F1E0DE894DA4B517B93C6A0585340A1E3A73@ESESSCMS0356.eemea.ericsson.se> <50361279.3040204@alvestrand.no> <7F2072F1E0DE894DA4B517B93C6A0585340A1E3A7D@ESESSCMS0356.eemea.ericsson.se> <50369456.90605@alvestrand.no>
In-Reply-To: <50369456.90605@alvestrand.no>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [10.163.24.102]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginalArrivalTime: 23 Aug 2012 20:59:59.0292 (UTC) FILETIME=[41BF3FC0:01CD8172]
X-Nokia-AV: Clean
Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Codec control and SDP offer/answer frequency
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Aug 2012 21:00:13 -0000

Hi,

Harald Alvestrand wrote:
>
>On 08/23/2012 05:11 PM, Christer Holmberg wrote:
>>
>> So, if I understand you correctly: you suggest that the codec control
>information is transported using SDP/a=imageattr "internally" (between app
>and browser), but then people can send it over the wire however they want?
>
>Yes. I believe that's the model we have agreed on.
>

I think that is fully in line with how SDP is treated in RTCWeb in general (at least so far), so there does not seem to be anything special about this case.

Markus