Re: [sipcore] Happy Eyeballs for SIP

worley@ariadne.com (Dale R. Worley) Mon, 19 December 2016 03:07 UTC

Return-Path: <worley@alum.mit.edu>
X-Original-To: sipcore@ietfa.amsl.com
Delivered-To: sipcore@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 21A37129466 for <sipcore@ietfa.amsl.com>; Sun, 18 Dec 2016 19:07:12 -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 oLUv73cahGYM for <sipcore@ietfa.amsl.com>; Sun, 18 Dec 2016 19:07:11 -0800 (PST)
Received: from resqmta-ch2-12v.sys.comcast.net (resqmta-ch2-12v.sys.comcast.net [IPv6:2001:558:fe21:29:69:252:207:44]) (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 5C1C3129454 for <sipcore@ietf.org>; Sun, 18 Dec 2016 19:07:11 -0800 (PST)
Received: from resomta-ch2-15v.sys.comcast.net ([69.252.207.111]) by resqmta-ch2-12v.sys.comcast.net with SMTP id IoHYcIgSelNFyIoIAcCaAy; Mon, 19 Dec 2016 03:07:10 +0000
Received: from hobgoblin.ariadne.com ([24.60.114.4]) by resomta-ch2-15v.sys.comcast.net with SMTP id IoI7cdNkSoA3MIoI8crFjs; Mon, 19 Dec 2016 03:07:10 +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 uBJ362V3025517; Sun, 18 Dec 2016 22:06:02 -0500
Received: (from worley@localhost) by hobgoblin.ariadne.com (8.14.7/8.14.7/Submit) id uBJ362mD025514; Sun, 18 Dec 2016 22:06:02 -0500
X-Authentication-Warning: hobgoblin.ariadne.com: worley set sender to worley@alum.mit.edu using -f
From: worley@ariadne.com
To: "Asveren, Tolga" <tasveren@sonusnet.com>
In-Reply-To: <SN2PR03MB2350FF1A996589E5F3D197D9B29F0@SN2PR03MB2350.namprd03.prod.outlook.com> (tasveren@sonusnet.com)
Sender: worley@ariadne.com
Date: Sun, 18 Dec 2016 22:06:01 -0500
Message-ID: <877f6w39eu.fsf@hobgoblin.ariadne.com>
X-CMAE-Envelope: MS4wfCYG1TugUWdcjhbtMjEq2q16/tXOKgzWhflCuudevlZkUGDwoS+ow1/t2zKyXzr4j4Bz1CErmlTng2v560UL5OuTXd/RsGsap0ncXHMG1V1BYoapbXl2 yqYZgNHxXuiMJ690E7DvD1wymPpvF10rAUhzsM1dkAS5hwVQCnT40mpLnpiP5rdFJqMSdpFuEnVLLKco10GRFN2XWkj9nD0Z5drzU5M354QpphzM9NysbJbL
Archived-At: <https://mailarchive.ietf.org/arch/msg/sipcore/sbdmGZScWecOnrcm1rZcd2IVCLE>
Cc: sipcore@ietf.org, oej@edvina.net
Subject: Re: [sipcore] Happy Eyeballs for SIP
X-BeenThere: sipcore@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: SIP Core Working Group <sipcore.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/sipcore>, <mailto:sipcore-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/sipcore/>
List-Post: <mailto:sipcore@ietf.org>
List-Help: <mailto:sipcore-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/sipcore>, <mailto:sipcore-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Dec 2016 03:07:12 -0000

"Asveren, Tolga" <tasveren@sonusnet.com> writes:
> i- A single implementation does it certain way does not mean it is per
> specification/done the same way by all other
> entities/implementations. I am aware of many deployments using OPTIONS
> for ping/keepalive/probe with success and without any issues. IMHO,
> OPTIONS definitely should be mentioned as one of the alternatives.

The use of OPTIONS is listed in section 5 of
draft-worley-sip-he-connection-01.

Dale