IETF Logo Mail Archive

Re: [MMUSIC] ICE SDP extension-att-name in ICE candidate

worley@ariadne.com (Dale R. Worley) Fri, 02 December 2016 02:21 UTC

Return-Path: <worley@alum.mit.edu>
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 1E718129A59 for <mmusic@ietfa.amsl.com>; Thu, 1 Dec 2016 18:21:20 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.934
X-Spam-Level:
X-Spam-Status: No, score=-1.934 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_SOFTFAIL=0.665] autolearn=no 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 bFXC9QFq5ytB for <mmusic@ietfa.amsl.com>; Thu, 1 Dec 2016 18:21:19 -0800 (PST)
Received: from resqmta-ch2-10v.sys.comcast.net (resqmta-ch2-10v.sys.comcast.net [IPv6:2001:558:fe21:29:69:252:207:42]) (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 10C82129A36 for <mmusic@ietf.org>; Thu, 1 Dec 2016 18:21:19 -0800 (PST)
Received: from resomta-ch2-06v.sys.comcast.net ([69.252.207.102]) by resqmta-ch2-10v.sys.comcast.net with SMTP id CdTKcIUlfRingCdTScuXXu; Fri, 02 Dec 2016 02:21:18 +0000
Received: from hobgoblin.ariadne.com ([24.60.114.4]) by resomta-ch2-06v.sys.comcast.net with SMTP id CdTQcLVk7WFIvCdTRcnR3w; Fri, 02 Dec 2016 02:21:18 +0000
Received: from hobgoblin.ariadne.com (hobgoblin.ariadne.com [127.0.0.1]) by hobgoblin.ariadne.com (8.14.7/8.14.7) with ESMTP id uB22LGIA013228; Thu, 1 Dec 2016 21:21:16 -0500
Received: (from worley@localhost) by hobgoblin.ariadne.com (8.14.7/8.14.7/Submit) id uB22LFEF013225; Thu, 1 Dec 2016 21:21:15 -0500
X-Authentication-Warning: hobgoblin.ariadne.com: worley set sender to worley@alum.mit.edu using -f
From: worley@ariadne.com
To: Roman Shpount <roman@telurix.com>
In-Reply-To: <CAD5OKxs=RbCvafdm2v4hRjfcQQyBPSdzOpnVAs8=9HshuJ1Odg@mail.gmail.com> (roman@telurix.com)
Sender: worley@ariadne.com
Date: Thu, 01 Dec 2016 21:21:15 -0500
Message-ID: <87fum7vzok.fsf@hobgoblin.ariadne.com>
X-CMAE-Envelope: MS4wfIzyjP1l4JwiSdCY/GAs9bZN6cfKhEVd15Aniaoa1/dRPDsJnPcwelik4qW3A8Q/xW00O3dXLg6gO5zsQVg3882I2eltI1dd/spr05Kaznx22q3R9JpD TUdICuDQanbUbIQhnWcsz4jzDqAQ0GM/zBAWUhNnLcChj7Hwrl4/2L1pWIzB5JOvnGfFubDIwhkMrZELTeOsuJWN2YZHUxgGgf4=
Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/tRF2t3IGVL_Et94FT5ERkzOJEVU>
Cc: mmusic@ietf.org
Subject: Re: [MMUSIC] ICE SDP extension-att-name in ICE candidate
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: Fri, 02 Dec 2016 02:21:20 -0000

Roman Shpount <roman@telurix.com> writes:
> Is there a registry for ICE extension-att-name? How does one looks up
> where extension-att-name
> is defined, what it means, and how it is used? Are there any rules
> associated with ICE candidate extensions?
>
> As far as I know there are two extension attributes that are commonly used:
> "generation" and "network" but I am not sure where these values and their
> usage are defined.

There is no registry for this extension, as there is none listed under
"Interactive Connectivity Establishment (ICE)" in the IANA protocol
registry.

"extension-att-name" itself is mentioned only in RFC 5245 (ICE) and RFC
6544 (ICE over TCP).

Dale

v2.23.0 | Report a Bug | By Email