Re: [rtcweb] #13: Transport of DATA_CHANNEL_OPEN

Martin Thomson <martin.thomson@gmail.com> Wed, 17 April 2013 22:01 UTC

Return-Path: <martin.thomson@gmail.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 750661F0D12 for <rtcweb@ietfa.amsl.com>; Wed, 17 Apr 2013 15:01:54 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -5.516
X-Spam-Level:
X-Spam-Status: No, score=-5.516 tagged_above=-999 required=5 tests=[AWL=-1.917, BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id YtsVKobj3TfW for <rtcweb@ietfa.amsl.com>; Wed, 17 Apr 2013 15:01:54 -0700 (PDT)
Received: from mail-wg0-f49.google.com (mail-wg0-f49.google.com [74.125.82.49]) by ietfa.amsl.com (Postfix) with ESMTP id BE9AA1F0D10 for <rtcweb@ietf.org>; Wed, 17 Apr 2013 15:01:53 -0700 (PDT)
Received: by mail-wg0-f49.google.com with SMTP id x12so2089785wgg.4 for <rtcweb@ietf.org>; Wed, 17 Apr 2013 15:01:53 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=7SxqklkswmEfpffOU6w+OW0UqqS4qKqFEXbiEyTCPKY=; b=RZdXCooltc/DZChzbu9HBUwxi3w9kIWtnmlOGNNPGLRsvY1ecudRodAAcC6ChmaKaP QGTp2o5A6pr+CCW5iX+zvIXKyK3Rw5xhwbgKCg4dpViH8vpc8scFg3WJzUV5Zxxe747s OGBp+aCScKl3gENbPFAjY5vf+tcW1TYmUB+R2+Mk5CKe/hFu53uDWFvXkE2ra86Rs79l zjpVal2svoZ5iR2Y7slzg/jRmOHia1bnu566B4g89EKlG9CCeSh3cD3OK86iECkNbMBH sB1v/0bG57+UM/YaPQvIAXuPm9aiRNEhCAKmtfZ8miZwgUnT6ErUmOo5jshsoGBpJbAK l5cQ==
MIME-Version: 1.0
X-Received: by 10.180.83.199 with SMTP id s7mr11753031wiy.19.1366236113001; Wed, 17 Apr 2013 15:01:53 -0700 (PDT)
Received: by 10.194.28.195 with HTTP; Wed, 17 Apr 2013 15:01:52 -0700 (PDT)
In-Reply-To: <516F1AF9.2080301@alvestrand.no>
References: <066.3120a55540cacaa74ee5fda0b5273a48@trac.tools.ietf.org> <516CE3EC.2050804@jesup.org> <CABkgnnVaTOLa-hs7AtEgaTk7eq00bEkCY+_8L96Y8pooqybBxA@mail.gmail.com> <CAJrXDUFgxLT3-1HehKbg5byzifFi4Obe3XW9G4sbWRbnU+Hi1A@mail.gmail.com> <CABkgnnXr85LZyJiSF+ok2KMS_xQnS0CE4VBq4PvEhBBscn2QZQ@mail.gmail.com> <516F1AF9.2080301@alvestrand.no>
Date: Wed, 17 Apr 2013 15:01:52 -0700
Message-ID: <CABkgnnVtUjk4jSDVioxQnrt-b69Hx0nZLefs7tpEzETSmLXeNA@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Harald Alvestrand <harald@alvestrand.no>
Content-Type: text/plain; charset="UTF-8"
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] #13: Transport of DATA_CHANNEL_OPEN
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.12
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: <http://www.ietf.org/mail-archive/web/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: Wed, 17 Apr 2013 22:01:54 -0000

On 17 April 2013 14:58, Harald Alvestrand <harald@alvestrand.no> wrote:
> I think I (on behalf of applications I'll be writing) am in the camp of "If
> I asked to be told what the incoming data channel was (by not registering to
> handle data without an OPEN), and didn't get told what it was, I don't want
> the data".
>
> Perhaps provide a few buffers to handle packet reordering.
> But beyond that: Throw the data away.

What if the data is ordered?  Couldn't the data you actually get
depend on the data that got discarded?