Re: [sipcore] Happy Eyeballs for SIP

worley@ariadne.com (Dale R. Worley) Mon, 19 December 2016 03:00 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 11A941294EB for <sipcore@ietfa.amsl.com>; Sun, 18 Dec 2016 19:00:28 -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 9LlUOP4hhSu2 for <sipcore@ietfa.amsl.com>; Sun, 18 Dec 2016 19:00:27 -0800 (PST)
Received: from resqmta-po-09v.sys.comcast.net (resqmta-po-09v.sys.comcast.net [IPv6:2001:558:fe16:19:96:114:154:168]) (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 7B167127071 for <sipcore@ietf.org>; Sun, 18 Dec 2016 19:00:27 -0800 (PST)
Received: from resomta-po-05v.sys.comcast.net ([96.114.154.229]) by resqmta-po-09v.sys.comcast.net with SMTP id IoBZcSnhF5lLvIoBfcTKKw; Mon, 19 Dec 2016 03:00:27 +0000
Received: from hobgoblin.ariadne.com ([24.60.114.4]) by resomta-po-05v.sys.comcast.net with SMTP id IoBbcU9XzzYm9IoBdc4Ew1; Mon, 19 Dec 2016 03:00:27 +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 uBJ2xN9N024888; Sun, 18 Dec 2016 21:59:23 -0500
Received: (from worley@localhost) by hobgoblin.ariadne.com (8.14.7/8.14.7/Submit) id uBJ2xLna024883; Sun, 18 Dec 2016 21:59:21 -0500
X-Authentication-Warning: hobgoblin.ariadne.com: worley set sender to worley@alum.mit.edu using -f
From: worley@ariadne.com
To: "Olle E. Johansson" <oej@edvina.net>
In-Reply-To: <CF1E38CB-5EB1-40EA-AA02-EF80ED0E0545@edvina.net> (oej@edvina.net)
Sender: worley@ariadne.com
Date: Sun, 18 Dec 2016 21:59:21 -0500
Message-ID: <87a8bs39py.fsf@hobgoblin.ariadne.com>
X-CMAE-Envelope: MS4wfJKTw9psEy+5BW4WYxab6mMO53q1CZNvd+0rHxcupN6NgLn2puX9QZMRijmWNfv/xFPFPmEVXXN6nrICoPQ8gfDmlX4OjRtvic5dMcQqNDEGRkbI3Te1 5pJSzMXDwmtPNQOlXL64bI2lmdZbPkbQuWTHr2rnrJShfRE+IGeYhitMcceX5t+kmnyrp6ReXZDtNg==
Archived-At: <https://mailarchive.ietf.org/arch/msg/sipcore/pIuaHlrlK6a_LL44rhzLSnQseBU>
Cc: sipcore@ietf.org
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 03:00:28 -0000

"Olle E. Johansson" <oej@edvina.net> writes:
> To do options right in a software Asterisk I would have to authenticate
> because it's only after authentication I can answer the same way as I
> would answer if this was a proper Invite with SDP. So if anyone wants
> to use OPTIONs for discovery as it was meant it would mean authentication
> as well. Using Options as Ping has kind of taken this away so no one
> really use Options for discovery any more since the answer differs
> from an INVITE.

I don't see what the problem is, even if OPTIONS demands authentication.
If the client sends OPTIONS and receives back a 401 or 407 response,
then clearly the communication path is working.

Dale