IETF Logo Mail Archive

Re: [rtcweb] Default proto transport in JSEP

T H Panton <thp@westhawk.co.uk> Mon, 19 November 2018 19:49 UTC

Return-Path: <thp@westhawk.co.uk>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id ED2DE130DE2 for <rtcweb@ietfa.amsl.com>; Mon, 19 Nov 2018 11:49:21 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.601
X-Spam-Level:
X-Spam-Status: No, score=-2.601 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, 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 mXP23wyrzR4G for <rtcweb@ietfa.amsl.com>; Mon, 19 Nov 2018 11:49:19 -0800 (PST)
Received: from smtp002.apm-internet.net (smtp002.apm-internet.net [85.119.248.221]) (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 694C4126CC7 for <rtcweb@ietf.org>; Mon, 19 Nov 2018 11:49:19 -0800 (PST)
Received: (qmail 12440 invoked from network); 19 Nov 2018 19:49:17 -0000
X-APM-Authkey: 255286/0(159927/0) 2047
Received: from unknown (HELO zimbra003.verygoodemail.com) (85.119.248.218) by smtp002.apm-internet.net with SMTP; 19 Nov 2018 19:49:17 -0000
Received: from localhost (localhost [127.0.0.1]) by zimbra003.verygoodemail.com (Postfix) with ESMTP id 8DA1118A0D29; Mon, 19 Nov 2018 19:49:17 +0000 (GMT)
Received: from zimbra003.verygoodemail.com ([127.0.0.1]) by localhost (zimbra003.verygoodemail.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id khjFWZliEoTX; Mon, 19 Nov 2018 19:49:17 +0000 (GMT)
Received: from [192.67.4.33] (unknown [192.67.4.33]) by zimbra003.verygoodemail.com (Postfix) with ESMTPSA id 5843718A06BA; Mon, 19 Nov 2018 19:49:17 +0000 (GMT)
Content-Type: text/plain; charset="utf-8"
Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\))
From: T H Panton <thp@westhawk.co.uk>
In-Reply-To: <CALiegfkHXv6f8P3C-C=2RKCyxWfzCAzkzOqxBXmmsNCPrZzFfg@mail.gmail.com>
Date: Mon, 19 Nov 2018 19:49:16 +0000
Cc: Roman Shpount <roman@telurix.com>, rtcweb@ietf.org, mmusic@ietf.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <2C5B190C-21F3-4E93-9D50-691C1D8A65EA@westhawk.co.uk>
References: <CA+9kkMADnZJBaV0hfLuwGU0bGBEP5tCPZ=8Zd_85Dgzi37ghAQ@mail.gmail.com> <CAD5OKxsNFFmER__H0+5Mzts58yn9cWLMEADhSnLR4nreKD9WAQ@mail.gmail.com> <CALiegfkHXv6f8P3C-C=2RKCyxWfzCAzkzOqxBXmmsNCPrZzFfg@mail.gmail.com>
To: Iñaki Baz Castillo <ibc@aliax.net>
X-Mailer: Apple Mail (2.3445.9.1)
Archived-At: <https://mailarchive.ietf.org/arch/msg/rtcweb/qbn2_XwIxouJhu4au4-rfITFGFw>
Subject: Re: [rtcweb] Default proto transport in JSEP
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/rtcweb/>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 19 Nov 2018 19:49:22 -0000


> On 19 Nov 2018, at 19:36, Iñaki Baz Castillo <ibc@aliax.net> wrote:
> 
> On Mon, 19 Nov 2018 at 19:28, Roman Shpount <roman@telurix.com> wrote:
>> The problem is that JSEP proposes to use UDP protocol in the m= line and at the same time update address and port to the currently selected candidate. Based on ice-sip-sdp, if protocol of the current selected candidate does not match protocol in the m= line, this will mean either ICE mismatch or additional candidate with protocol, address, and port form m= and c= line.
> 
> We could just assume that no WebRTC capable endpoint will (absolutely
> never) rely on the content of the c= line or the proto indicated in
> the m= line (no matter it indicates "CHICKEN" as proto).

or QUIC
?

v2.23.0 | Report a Bug | By Email