Return-Path: <paul.kyzivat@comcast.net>
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 A5D9E128990
 for <mmusic@ietfa.amsl.com>; Mon, 27 Mar 2017 20:38:32 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.701
X-Spam-Level: 
X-Spam-Status: No, score=-2.701 tagged_above=-999 required=5
 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1,
 DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7,
 RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001]
 autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key)
 header.d=comcast.net
Received: from mail.ietf.org ([4.31.198.44])
 by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024)
 with ESMTP id G5GWyWPAyZ3W for <mmusic@ietfa.amsl.com>;
 Mon, 27 Mar 2017 20:38:31 -0700 (PDT)
Received: from resqmta-ch2-06v.sys.comcast.net
 (resqmta-ch2-06v.sys.comcast.net [IPv6:2001:558:fe21:29:69:252:207:38])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by ietfa.amsl.com (Postfix) with ESMTPS id 78E30126DED
 for <mmusic@ietf.org>; Mon, 27 Mar 2017 20:38:31 -0700 (PDT)
Received: from resomta-ch2-15v.sys.comcast.net ([69.252.207.111])
 by resqmta-ch2-06v.sys.comcast.net with SMTP
 id shxmcVkMzl4eqshxmcEOeF; Tue, 28 Mar 2017 03:38:30 +0000
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net;
 s=q20161114; t=1490672310;
 bh=CJrK3DHK8DVniTlMWHMnWY+RWguKypb3/vD6W09K5rs=;
 h=Received:Received:Subject:To:From:Message-ID:Date:MIME-Version:
 Content-Type;
 b=hQkPp9yvXJS5TqVsFATeGdyPpUomZ2P4Uz9HPC8CBdHc32hV8wWT8eIwqn3BKxbo3
 GFEmJruZ9kUzM/WcQ7gw6xDnqzAqh1cPXPXCpdYZf5praOoJiuWNPLsPtIHyADQJGB
 DDkprT63eV8z/7wamCKfD5/i2Gh3o8ZK/LiR0+glQetPRrzgXRZl5Bc4zi+FRz/vOT
 +IDAM9CHG6NpH2ncujsALf3YW180bSBRxDvmX/Y5dMiIbtFQoNYrsgZ78si57aOILE
 yxI7Uyh4lBC4w4pJkY/GuBntb3+aqfAjAJ1tKNQe6irfF2oI3zDrUjbVFUegoulAL3
 D9Og8N0xt/zyQ==
Received: from [192.168.1.110] ([24.62.227.142])
 by resomta-ch2-15v.sys.comcast.net with SMTP
 id shxmcJFD0XTPjshxmcQa56; Tue, 28 Mar 2017 03:38:30 +0000
To: mmusic@ietf.org
References: <CAK35n0YEA8Cu_v33QsTHXRx70Jw6r-gYT_4rSjYvb6KR+YD81Q@mail.gmail.com>
 <CAMRcRGTJoOE0HLGwkdW261SiM+J3BCoAiDeq919d+YkyfhU6eg@mail.gmail.com>
 <CAK35n0ZMX6XVicnuvxHH16ADW5on0n18yK8_VDTLX7B1Gb0XDA@mail.gmail.com>
 <CALiegfmDH4a8nM08ify77pcz+az38KbJ3=x1n-dso7SYoODD1A@mail.gmail.com>
 <CAK35n0beszOvayncKgyC=JLZ+7ST_MW4awZ-VSMYt4qvNefX7A@mail.gmail.com>
 <279829dc-201f-25ab-0d1b-9958fb98682f@gmail.com>
 <CALiegfm33QGSuWDvJED5ERGEvHaJ6890X6hyqnjHr-ZkRCFSUg@mail.gmail.com>
 <CAK35n0YV0FK0f9obKVa6F8K4v5acA1M3y4hFk5cQ_b1cP89uaQ@mail.gmail.com>
 <CALiegfnfw-eoJ8kVSwNTAtCUpBsO1pMvGNs+FBu5xOsKFZr7ZQ@mail.gmail.com>
From: Paul Kyzivat <paul.kyzivat@comcast.net>
Message-ID: <59edda63-a02a-b685-fede-91f4cc292037@comcast.net>
Date: Mon, 27 Mar 2017 23:38:29 -0400
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0)
 Gecko/20100101 Thunderbird/45.8.0
MIME-Version: 1.0
In-Reply-To: <CALiegfnfw-eoJ8kVSwNTAtCUpBsO1pMvGNs+FBu5xOsKFZr7ZQ@mail.gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
X-CMAE-Envelope: MS4wfNsso3+Jpp6GnvpkMpzD27ZlF44R+XA5wdu326rIh5dqS2k1FYPt7iPyfdVZtnZiqWJ8f4ZUNaIg85gVLKNdi4oWVX7Dx/3XlNynyWFAnLDZIctlgt3A
 FbxdGQ+CvzhEqxKSjonOjXXynD3tpp8ivcZB4s97XmIZ6pc21qWirg7C
Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/sYOHvOKVww_THFoLS0OhTsv8Q1w>
Subject: Re: [MMUSIC] "a=extmap" with BUNDLE
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.22
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: <https://mailarchive.ietf.org/arch/browse/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: Tue, 28 Mar 2017 03:38:33 -0000

On 3/27/17 7:08 PM, Iñaki Baz Castillo wrote:

> So IMHO, the immediate issue is in BUNDLE spec [*] which defines the
> MID stuff but does not mandate the MID ID to be unique in the whole
> SDP.

This is already required by section 4 of RFC5888:

    The identification-tag MUST be unique within an SDP session
    description.

	Thanks,
	Paul

