Re: [hybi] Last Call: <draft-ietf-hybi-thewebsocketprotocol-10.txt> (The WebSocket protocol) to Proposed Standard: request for max frame size

"Len Holgate" <len.holgate@gmail.com> Wed, 13 July 2011 12:13 UTC

Return-Path: <len.holgate@gmail.com>
X-Original-To: hybi@ietfa.amsl.com
Delivered-To: hybi@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 70A6A21F87BA; Wed, 13 Jul 2011 05:13:22 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.599
X-Spam-Level:
X-Spam-Status: No, score=-3.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, RCVD_IN_DNSWL_LOW=-1]
Received: from mail.ietf.org ([64.170.98.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id g6cUr328IxxR; Wed, 13 Jul 2011 05:13:18 -0700 (PDT)
Received: from mail-ww0-f44.google.com (mail-ww0-f44.google.com [74.125.82.44]) by ietfa.amsl.com (Postfix) with ESMTP id CE05D21F8B25; Wed, 13 Jul 2011 05:13:17 -0700 (PDT)
Received: by wwe5 with SMTP id 5so3923380wwe.13 for <multiple recipients>; Wed, 13 Jul 2011 05:13:15 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=from:to:cc:references:subject:date:message-id:mime-version :content-type:content-transfer-encoding:x-mailer:in-reply-to :thread-index:x-mimeole; bh=CSgHtomih3QbYOmqA6/1xHhC0asTuC1mWBftZXUt/TY=; b=hTybVOIxtPnrmo3hyhoITeBc8u+CUAyrFrKdLaNd+gh4IrZNQhx2sLuHHnzm9aM/nF xv77YNhknjbR6YvlFbYXCLXNVpjol2I30KM2Mqk9oIy1BelCcXE77u9T3dStbp6OPj8q n8Yl/xdIC2EWwn1uHSWrIvtnJymUP4xkdXUHc=
Received: by 10.227.137.6 with SMTP id u6mr214050wbt.111.1310559195298; Wed, 13 Jul 2011 05:13:15 -0700 (PDT)
Received: from Venus (cpc7-glfd6-2-0-cust20.6-2.cable.virginmedia.com [86.27.227.21]) by mx.google.com with ESMTPS id ex2sm11618278wbb.31.2011.07.13.05.13.13 (version=SSLv3 cipher=OTHER); Wed, 13 Jul 2011 05:13:14 -0700 (PDT)
From: "Len Holgate" <len.holgate@gmail.com>
To: "'Francis Brosnan Blazquez'" <francis@aspl.es>
References: <20110711140229.17432.23519.idtracker@ietfa.amsl.com> <4E1BD054.7010103@gmail.com><1310480036.26452.329.camel@vulcan.aspl.local> <CAH_y2NF3pxbUJctg7P1qGNR+mvzaw80+Axh6kCYwx93HiQocug@mail.gmail.com> <1bd101cc4136$01193390$0a00a8c0@Venus> <1310557151.26452.1232.camel@vulcan.aspl.local>
Date: Wed, 13 Jul 2011 13:13:09 +0100
Message-ID: <1c2501cc4156$3ba36a60$0a00a8c0@Venus>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
X-Mailer: Microsoft Office Outlook 11
In-Reply-To: <1310557151.26452.1232.camel@vulcan.aspl.local>
Thread-Index: AcxBUX12KOgYcjXmQlqhBPeazS5MIAABIkjQ
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3664
Cc: draft-ietf-hybi-thewebsocketprotocol@tools.ietf.org, 'Hybi' <hybi@ietf.org>, ietf@ietf.org, 'Greg Wilkins' <gregw@intalio.com>
Subject: Re: [hybi] Last Call: <draft-ietf-hybi-thewebsocketprotocol-10.txt> (The WebSocket protocol) to Proposed Standard: request for max frame size
X-BeenThere: hybi@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Server-Initiated HTTP <hybi.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/hybi>, <mailto:hybi-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/hybi>
List-Post: <mailto:hybi@ietf.org>
List-Help: <mailto:hybi-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/hybi>, <mailto:hybi-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 13 Jul 2011 12:13:22 -0000

> > Would this be one frame size for both directions, or could 
> it be specified
> > in each direction? 
> 
> It should be done in both directions, assuming each party may have
> different requirements..

That was my feeling on it.

> > I'm a little wary of intermediaries being allowed to adjust 
> this unless
> > they're only allowed to reduce the amount...
> 
> My impression is that this max frame size value would help
> intermediaries, and peers, to know how to fragment or coalesce
> application level messages. Without such indication they are blind...

I agree.

Len
www.lenholgate.com