Return-Path: X-Original-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com Delivered-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1882111E819E for ; Wed, 24 Jul 2013 05:37:02 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -10.598 X-Spam-Level: X-Spam-Status: No, score=-10.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-8] 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 wvWZxl3OJfPi for ; Wed, 24 Jul 2013 05:36:56 -0700 (PDT) Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id B125911E80E6 for ; Wed, 24 Jul 2013 05:36:55 -0700 (PDT) Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from ) id 1V1yHw-0005Vu-1d for ietf-http-wg-dist@listhub.w3.org; Wed, 24 Jul 2013 12:35:28 +0000 Resent-Date: Wed, 24 Jul 2013 12:35:28 +0000 Resent-Message-Id: Received: from maggie.w3.org ([128.30.52.39]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from ) id 1V1yHn-0005V8-2k for ietf-http-wg@listhub.w3.org; Wed, 24 Jul 2013 12:35:19 +0000 Received: from mail-oa0-f48.google.com ([209.85.219.48]) by maggie.w3.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.72) (envelope-from ) id 1V1yHk-00063s-Th for ietf-http-wg@w3.org; Wed, 24 Jul 2013 12:35:19 +0000 Received: by mail-oa0-f48.google.com with SMTP id f4so780117oah.21 for ; Wed, 24 Jul 2013 05:34:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=kfplGni2KDd/2ojlq47o9BepOkB9c6YKG1nkct4jiL8=; b=mBgRFr+Sqa83rUrbEOynXLcvc1gsHQSybmTdMQwGB6PKj/37O0UFjFjTmDr+Vqxshd OPbJxdtqHneVEdF4LUIVQLa4i1+xWnQMLAsxCb/UsbG02wPo0t4SkD9XHBiSLsUFyb95 AfeMdyG4lcOCa8qGIRCmkAaiMDg23x+l93/EnHyY+YV0BtaGoEqNhImBp8TZhfuUN2uF 22o6dlT2jel1rOSjst/yb4i98ZmsR79L3IjjOl3hKP50PzgiX6nCg0ga9OuzCAnjjckz Rscx6wrYd2gr/Ag/+ve4gfSXOFyyfhErKy+rggaIMMeYbsGhGWZFO7Q0+gRpAruTa05I JkBA== X-Received: by 10.42.62.4 with SMTP id w4mr3431445ich.27.1374669290902; Wed, 24 Jul 2013 05:34:50 -0700 (PDT) MIME-Version: 1.0 Received: by 10.64.32.103 with HTTP; Wed, 24 Jul 2013 05:34:30 -0700 (PDT) In-Reply-To: References: From: Tatsuhiro Tsujikawa Date: Wed, 24 Jul 2013 21:34:30 +0900 Message-ID: To: Martin Thomson Cc: Patrick McManus , HTTP Working Group Content-Type: multipart/alternative; boundary=90e6ba613cfac49c4104e24122b1 Received-SPF: pass client-ip=209.85.219.48; envelope-from=tatsuhiro.t@gmail.com; helo=mail-oa0-f48.google.com X-W3C-Hub-Spam-Status: No, score=-3.4 X-W3C-Hub-Spam-Report: AWL=-2.618, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001 X-W3C-Scan-Sig: maggie.w3.org 1V1yHk-00063s-Th 1a493fe0ce1e954b953e4b6aa0d575e0 X-Original-To: ietf-http-wg@w3.org Subject: Re: 6.9.2 Initial Flow Control Window Size Example Archived-At: Resent-From: ietf-http-wg@w3.org X-Mailing-List: archive/latest/18903 X-Loop: ietf-http-wg@w3.org Resent-Sender: ietf-http-wg-request@w3.org Precedence: list List-Id: List-Help: List-Post: List-Unsubscribe: --90e6ba613cfac49c4104e24122b1 Content-Type: text/plain; charset=ISO-8859-1 On Wed, Jul 24, 2013 at 7:28 AM, Martin Thomson wrote: > On 23 July 2013 14:03, Patrick McManus wrote: > > For example, if the client sends 64KB immediately on connection > > establishment, > > > > > > The example uses an invalid computation because the default window is > "64KB > > - 1" > > This is true if you assume that it wasn't just rounded up :) > > https://github.com/http2/http2-spec/issues/182 > > So the correct value is 65535, right? 5.2.1. Flow Control Principles also says "...the flow control window is 65536 bytes ...", so it should be correct too. This value is a bit confusing because SPDY/3 flow control uses 65536 as a initial window size (well, it is a different protocol, so no one should not be bothered but still.) Best regards, Tatsuhiro Tsujikawa --90e6ba613cfac49c4104e24122b1 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable



On Wed, Jul 24, 2013 at 7:28 AM, Martin Thomson &= lt;martin.tho= mson@gmail.com> wrote:
On 23 July 2013 14:03, P= atrick McManus <pmcmanus@mozilla= .com> wrote:
> For example, if the client sends 64KB immediately on connection
> =A0 =A0establishment,
>
>
> The example uses an invalid computation because the default window is = "64KB
> - 1"

This is true if you assume that it wasn't just rounded up := )

https://github.com/http2/http2-spec/issues/182


So the correct value is 65535, right?<= /div>

5.2.1. Flow Control Principles also says
"...the flow contr= ol window is 65536 bytes ...", so it should be correct too.
This value is a bit c= onfusing because SPDY/3 flow control uses 65536 as a initial window size (w= ell, it is a different protocol, so no one should not be bothered but still= .)

<= span style=3D"color:rgb(0,0,0);font-size:1em">Best regards,
Tatsuhiro Tsujikawa


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