Re: [rtcweb] Working Group Last Call: JSEP

Justin Uberti <juberti@google.com> Thu, 10 November 2016 06:35 UTC

Return-Path: <juberti@google.com>
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 DC138129492 for <rtcweb@ietfa.amsl.com>; Wed, 9 Nov 2016 22:35:34 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.197
X-Spam-Level:
X-Spam-Status: No, score=-4.197 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, RP_MATCHES_RCVD=-1.497, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=google.com
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 dTV7Lp2jIYsO for <rtcweb@ietfa.amsl.com>; Wed, 9 Nov 2016 22:35:31 -0800 (PST)
Received: from mail-wm0-x235.google.com (mail-wm0-x235.google.com [IPv6:2a00:1450:400c:c09::235]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 90C4F129604 for <rtcweb@ietf.org>; Wed, 9 Nov 2016 22:35:31 -0800 (PST)
Received: by mail-wm0-x235.google.com with SMTP id t79so10899385wmt.0 for <rtcweb@ietf.org>; Wed, 09 Nov 2016 22:35:31 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=oDUlrNwXT9NjwBS/8YxqG7bHaA25KjsyWX5LUAe7k+Y=; b=oIRQmxBkEhd0gzvtRIuUis5h7kRm9e104i5SkYfTn+h9iA7bF0ICRY49bkWi+K6THG 9YR81asRieIlLAw5YqCqZt8fmq6wyaAcoKtLQykbVUGqeEZruvN0H3ymtp1k1V6j3wxS Hm8bt6DpvTdSl1/0M0gGm7jvoR26QwA65SiEt+ihxSgpAs5TlVxWRViDVrIVzrcwkCg+ evhwp1hitJmFhP9QVdoc9A5epxa3wY063Ttobycf4Il1y7cy19U6Sn2OF64ku2cYWvdu 1XHY1ynaFICldG2JVBivbhcT6s331xFrPLRXhJ+Pwvn71JLNTBQJ6QeZ7KORqaOPMIxH HU7g==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=oDUlrNwXT9NjwBS/8YxqG7bHaA25KjsyWX5LUAe7k+Y=; b=CNy7kAgUJMhQ5cYeoGI7XJhKwsumyNBwyU2eR3KdyathZKd4nWtO18RuW8iZ8p5G1C +0HdwHjjzGaJr9H/NVxwwXkN3bb2O7bgUPWGOTbp+7FfeVxgIvJS5bov7SkMu/BOXHiZ OP7BVNp4Vy4w50Tl/8aBWa2GsL2rHpfGahxc0ELrI6Joa46ERrjRWLuhsZaIdaypu2Rj K3FmOsvIbevUbSXL2ZR2m9iGL7pmFKW/yIaWEuJ8j2/J/FeAsjVfYkh0aK3zNtsaXN8B LRQ44o3is+brzI0y+R8budeNG6QV9MnnujnagvLFTG64whSgalTc8cJzFB7xboQgbFx/ kcAg==
X-Gm-Message-State: ABUngvcDkGHngN5zUBmJTduoANhoRl0ZmFnRZtfqntlycDkMf9M1iy3WBcNf1D7HzBQwF4s14pkVOobprTNfu6FM
X-Received: by 10.194.149.143 with SMTP id ua15mr3555240wjb.48.1478759729878; Wed, 09 Nov 2016 22:35:29 -0800 (PST)
MIME-Version: 1.0
Received: by 10.28.8.131 with HTTP; Wed, 9 Nov 2016 22:35:09 -0800 (PST)
In-Reply-To: <CAOW+2dux2xg6vD0j0ewPKy5dBBR8C=8+7NqfFxqnaF1T6xuJ5Q@mail.gmail.com>
References: <CA+9kkMBLcUFs-sdpSnTEHfGVwwG1iDsWpsk1ONHrq2M7LV4g3w@mail.gmail.com> <c4c9d8ff-389a-6eae-0938-ba99b151b9f9@goodadvice.pages.de> <CAOW+2dux2xg6vD0j0ewPKy5dBBR8C=8+7NqfFxqnaF1T6xuJ5Q@mail.gmail.com>
From: Justin Uberti <juberti@google.com>
Date: Wed, 09 Nov 2016 22:35:09 -0800
Message-ID: <CAOJ7v-1akmfnnGX9MUv0t8aTJvHOn1fOs0pguadkUiu74dDB-Q@mail.gmail.com>
To: Bernard Aboba <bernard.aboba@gmail.com>
Content-Type: multipart/alternative; boundary="089e0122897c68c41d0540ec9487"
Archived-At: <https://mailarchive.ietf.org/arch/msg/rtcweb/udVVM7eP8XCmujjNvkknLD-syUM>
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>, Shijun Sun <sunsj007@gmail.com>
Subject: Re: [rtcweb] Working Group Last Call: JSEP
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.17
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: Thu, 10 Nov 2016 06:35:35 -0000

Agreed. The sole purpose it serves at this point is to enable serial
forking.

I would be happy to remove it.

On Wed, Nov 9, 2016 at 5:36 PM, Bernard Aboba <bernard.aboba@gmail.com>
wrote:

> +1.
>
> One of the reasons we added setDirection() was to be able to handle the
> "warm up" case with no recourse to pranswer (as demonstrated in Example 12
> in Section 11.2 as you cite).
>
> Given that, it is hard to motivate an implementation to support pranswer
> (e.g. in the Edge WebRTC 1.0 feature now in Windows Insider Preview, we
> left out support for pranswer).
>
>
>
> On Tue, Nov 8, 2016 at 10:43 AM, Philipp Hancke <fippo@goodadvice.pages.de
> > wrote:
>
>> Am 21.10.2016 um 21:25 schrieb Ted Hardie:
>>
>>> The chairs would like to start a working group last call on
>>> draft-ietf-rtcweb-jset-17 to end on November 9th, 2016, 17:00 KST.
>>>
>>> Please review thoroughly, as working through the last comments will be
>>> the
>>> major effort of our working group meeting in Seoul.
>>>
>>
>> One question: why is pranswer still in there? The major use-case for this
>> seems to be transport warm-up (4.1.7.1) for which I think transceivers are
>> the new way as shown in http://w3c.github.io/webrtc-pc
>> /#simple-peer-to-peer-example-with-warm-up
>>
>> pranswer has not seen much traffic on this list. Together with BUNDLE it
>> seems to have been broken in Chrome since 2014 if I understand
>> https://bugs.chromium.org/p/webrtc/issues/detail?id=3349 correctly. And
>> I recall it being broken in 2013 when using DTLS.
>>
>>
>> _______________________________________________
>> rtcweb mailing list
>> rtcweb@ietf.org
>> https://www.ietf.org/mailman/listinfo/rtcweb
>>
>
>
> _______________________________________________
> rtcweb mailing list
> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb
>
>