Re: [MMUSIC] m= line protocol in case of ICE

Christer Holmberg <christer.holmberg@ericsson.com> Mon, 21 November 2016 09:28 UTC

Return-Path: <christer.holmberg@ericsson.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 897601298B2; Mon, 21 Nov 2016 01:28:07 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.221
X-Spam-Level:
X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 uYt6Cch7N_IQ; Mon, 21 Nov 2016 01:28:06 -0800 (PST)
Received: from sesbmg22.ericsson.net (sesbmg22.ericsson.net [193.180.251.48]) (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 D7F461298B1; Mon, 21 Nov 2016 01:28:05 -0800 (PST)
X-AuditID: c1b4fb30-96c1b98000001942-57-5832be23e21e
Received: from ESESSHC024.ericsson.se (Unknown_Domain [153.88.183.90]) by (Symantec Mail Security) with SMTP id FF.00.06466.32EB2385; Mon, 21 Nov 2016 10:28:04 +0100 (CET)
Received: from ESESSMB209.ericsson.se ([169.254.9.16]) by ESESSHC024.ericsson.se ([153.88.183.90]) with mapi id 14.03.0319.002; Mon, 21 Nov 2016 10:27:14 +0100
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Iñaki Baz Castillo <ibc@aliax.net>, Roman Shpount <roman@telurix.com>
Thread-Topic: [MMUSIC] m= line protocol in case of ICE
Thread-Index: AQHSQFwT8S0xdJKeakq1+K6kpgEs7aDcZjMAgAAHVICAAXMfAIAAEJmAgASHdQCAAAE2AIAAt+ug
Date: Mon, 21 Nov 2016 09:27:14 +0000
Message-ID: <7594FB04B1934943A5C02806D1A2204B4BE823F6@ESESSMB209.ericsson.se>
References: <CAD5OKxuhvCz82+7JK8QrArtrYcjV9+b7vWMpWRnCjNbrL++srA@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B4BE3AE83@ESESSMB209.ericsson.se> <CAD5OKxu15YgYO0xyWMYXv7VTAVVQ71iJhH_txt31BV0CvCSjqg@mail.gmail.com> <F96AC385-2721-4652-98F5-1BF92F06214A@gmail.com> <CAD5OKxsyEpeOTDYNjkxz0AEM8UELGhbrC0dWgUh2VTR9oyaOrA@mail.gmail.com> <CAD5OKxuFK_R8d=VYS6WSF87zhce4OEFtiJUqhi5sQB8rp9BCYA@mail.gmail.com> <CALiegf=3F7QGmL2n0yaek99UimoMDW+0=TaFET3E5bMDaewWDg@mail.gmail.com>
In-Reply-To: <CALiegf=3F7QGmL2n0yaek99UimoMDW+0=TaFET3E5bMDaewWDg@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [153.88.183.148]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCIsWRmVeSWpSXmKPExsUyM2J7lK7KPqMIg8/XuS1WnlvBbPFv3VEm i+n7bCy+Xai1mLr8MYvFjAtTmR3YPM41vGf32DnrLrvHkiU/mTxuTSkIYInisklJzcksSy3S t0vgynh9T6agg6PiwZrvjA2Mb9i7GDk4JARMJP6+4+1i5OIQEljHKLH//08WCGcxo8T6uROY QIrYBCwkuv9pdzFycogIJEosmTmbHaSGWWACo8Tyv3/YQRLCAqYSm45fZoMoMpPYvHAJI4Qd JXF99h5WEJtFQFXi+eoNYPW8Ar4Sh3q/sIDYQgKPmSUmXuIFsTkFAiVO9t8Dm8MoICbx/dQa JhCbWUBc4taT+WC2hICAxJI955khbFGJl4//sULYShKNS56wgtzMLKApsX6XPkSrosSU7odQ awUlTs58wjKBUXQWkqmzEDpmIemYhaRjASPLKkbR4tTipNx0IyO91KLM5OLi/Dy9vNSSTYzA uDq45bfBDsaXzx0PMQpwMCrx8BbcNIgQYk0sK67MPcQowcGsJMLLtdcoQog3JbGyKrUoP76o NCe1+BCjNAeLkjiv2cr74UIC6YklqdmpqQWpRTBZJg5OqQbGEpdQo/elpVnvbvF+qykXXXmP Ozdv7yOTQ6kqv1rWvOCdVWN0p2Dddt569swQicbyubOdt0sLFx37Py0+e2NeXFf7JvZpSu7y a9/ZfDkQ9lZaiWv1NkGLr5oHxD4duv9yToP3k1Mxus+8owK/9/3dy+bp4LfGNd2dt1xTUS08 27vI7O+fsodKLMUZiYZazEXFiQBlyfYupwIAAA==
Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/0uJJvowu9S-Ix4FGYX26ly7PypA>
Cc: "ice@ietf.org" <ice@ietf.org>, "bfcpbis@ietf.org" <bfcpbis@ietf.org>, "mmusic@ietf.org" <mmusic@ietf.org>
Subject: Re: [MMUSIC] m= line protocol in case of ICE
X-BeenThere: mmusic@ietf.org
X-Mailman-Version: 2.1.17
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: Mon, 21 Nov 2016 09:28:07 -0000

Hi,

>> I just wanted to add to my previous email, that according to RFC 6544 
>> protocols running over tcp candidates MUST use  RFC 4571 framing 
>> (https://tools.ietf.org/html/rfc6544#section-10.1). This means that 
>> BFCP running over tcp candidate is not TCP/BFCP and will require a 
>> different transport tag.
>
> IMHO the exact transport is just "ICE". ICE itself is a "virtual transport" that can use 
> many "real transports" (UDP, TCP+RFC4571, etc).
>
> So ICE/BFCP would be my way to go.

This has been discussed before: the procedures have to be backward compatible with non-ICE endpoints.

If anyone wants to define new "ICE transports", that's fine, but it should be done as a separate task.

Regards,

Christer