Re: [MMUSIC] Unified Plan for SDP Handling

"Roni Even" <ron.even.tlv@gmail.com> Wed, 17 July 2013 04:18 UTC

Return-Path: <ron.even.tlv@gmail.com>
X-Original-To: mmusic@ietfa.amsl.com
Delivered-To: mmusic@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6725121F9B18 for <mmusic@ietfa.amsl.com>; Tue, 16 Jul 2013 21:18:37 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.17
X-Spam-Level:
X-Spam-Status: No, score=-2.17 tagged_above=-999 required=5 tests=[AWL=0.429, BAYES_00=-2.599]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Aa4ZxQl9rLMP for <mmusic@ietfa.amsl.com>; Tue, 16 Jul 2013 21:18:36 -0700 (PDT)
Received: from mail-we0-x22e.google.com (mail-we0-x22e.google.com [IPv6:2a00:1450:400c:c03::22e]) by ietfa.amsl.com (Postfix) with ESMTP id 6DCA121F8AA1 for <mmusic@ietf.org>; Tue, 16 Jul 2013 21:18:36 -0700 (PDT)
Received: by mail-we0-f174.google.com with SMTP id q58so1296295wes.5 for <mmusic@ietf.org>; Tue, 16 Jul 2013 21:18:34 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:references:in-reply-to:subject:date:message-id :mime-version:content-type:content-transfer-encoding:x-mailer :thread-index:content-language; bh=1IsnfnUVrgcQdpR5EkRM8PFob/7/5UujkwpoNiLsOhM=; b=nmwG9JRm8w7RT0vzhQGUsgnWB4X9KXaxJyb3hbz56QX1Kx5XWANr6yhvrr6BSRBGP4 GIlIBlmAchhto6Ar13OZGnCnAh2LlyTnLL24LCm/Fj7XEGHFOuNYZUwUUzVAe/FEODvn 2dIYyuiC7jjrPVHF+ibddqVjhHW8+P4pKFRA/MFPS5A3Wmj6e9n9Y0V3K2wTg4F2OYs8 hdFUnbgWjHssMzkvKy16w8O2dvzEmnRlvhWxcgewZQEKOXfERHC94ShCGMUoDKgD9UZc pQ1hbehqbMhvNXzEYEAKK3SME6/BlQSQlEL1h1dlZYJShcgROACPkP49MWPnc/QfjQGZ dkYg==
X-Received: by 10.180.183.180 with SMTP id en20mr14216020wic.58.1374034714319; Tue, 16 Jul 2013 21:18:34 -0700 (PDT)
Received: from RoniE ([109.67.165.48]) by mx.google.com with ESMTPSA id fb2sm32080951wic.4.2013.07.16.21.18.32 for <multiple recipients> (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 16 Jul 2013 21:18:33 -0700 (PDT)
From: Roni Even <ron.even.tlv@gmail.com>
To: 'Jonathan Lennox' <jonathan@vidyo.com>, 'Adam Roach' <adam@nostrum.com>
References: <51E447C8.1000701@nostrum.com> <009001ce8263$0ed498b0$2c7dca10$@gmail.com> <51E5AF5A.9050405@nostrum.com> <EEE6BE4D-A231-4731-B824-B035BA099479@vidyo.com>
In-Reply-To: <EEE6BE4D-A231-4731-B824-B035BA099479@vidyo.com>
Date: Wed, 17 Jul 2013 07:16:44 +0300
Message-ID: <00f301ce82a4$74448ca0$5ccda5e0$@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Mailer: Microsoft Outlook 14.0
Thread-Index: AQGN3Ok6C3zH+O6O1w6NRgFPJ+xPXAKo9Jt/AuuKkxgDLihfLpmjeacA
Content-Language: en-us
Cc: mmusic@ietf.org
Subject: Re: [MMUSIC] Unified Plan for SDP Handling
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Multiparty Multimedia Session Control Working Group <mmusic.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/mmusic>, <mailto:mmusic-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/mmusic>
List-Post: <mailto:mmusic@ietf.org>
List-Help: <mailto:mmusic-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/mmusic>, <mailto:mmusic-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 17 Jul 2013 04:18:37 -0000

Adam,
I gave the wrong link before. I meant the one Jonathan pointed to
Roni

> -----Original Message-----
> From: Jonathan Lennox [mailto:jonathan@vidyo.com]
> Sent: 17 July, 2013 1:06 AM
> To: Adam Roach
> Cc: Roni Even; mmusic@ietf.org
> Subject: Re: [MMUSIC] Unified Plan for SDP Handling
> 
> 
> On Jul 16, 2013, at 4:38 PM, Adam Roach <adam@nostrum.com> wrote:
> 
> > On 7/16/13 15:28, Roni Even wrote:
> >> Adam,
> >> For correlation when the SSRC is not known in the SDP look at
> >> http://tools.ietf.org/id/draft-even-mmusic-multiple-streams-02.txt
> >> and the option to use SDES and not only RTP header extension.
> >
> > Roni:
> >
> > Thanks for the pointer. That's an interesting approach; however, for
> > RTCWEB at least, need a solution that also works with DTLS-SRTP.
> 
> 
> Acronym collision: This uses RTCP Source Description packets, not SDP
> Security Descriptions.
> 
> I think the (related) app-id approach described in
> http://tools.ietf.org/html/draft-even-mmusic-application-token-00.txt will
> also be of interest.
> 
> --
> Jonathan Lennox
> jonathan@vidyo.com