Re: [tsvwg] [Technical Errata Reported] RFC3390 (4569)

Mark Allman <mallman@icir.org> Mon, 04 January 2016 19:55 UTC

Return-Path: <mallman@icir.org>
X-Original-To: tsvwg@ietfa.amsl.com
Delivered-To: tsvwg@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BFF681A90DB for <tsvwg@ietfa.amsl.com>; Mon, 4 Jan 2016 11:55:57 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.502
X-Spam-Level:
X-Spam-Status: No, score=-1.502 tagged_above=-999 required=5 tests=[BAYES_50=0.8, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham
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 GIh4ASmm74rj for <tsvwg@ietfa.amsl.com>; Mon, 4 Jan 2016 11:55:56 -0800 (PST)
Received: from fruitcake.ICSI.Berkeley.EDU (fruitcake.ICSI.Berkeley.EDU [192.150.186.11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 234FA1A90ED for <tsvwg@ietf.org>; Mon, 4 Jan 2016 11:55:56 -0800 (PST)
Received: from lawyers.icir.org (envoy.icir.org [192.150.187.30]) by fruitcake.ICSI.Berkeley.EDU (8.12.11.20060614/8.12.11) with ESMTP id u04JnJcf019822; Mon, 4 Jan 2016 11:49:19 -0800 (PST)
Received: from lawyers.icir.org (localhost [127.0.0.1]) by lawyers.icir.org (Postfix) with ESMTP id 84B85363BB00; Mon, 4 Jan 2016 14:49:18 -0500 (EST)
To: RFC Errata System <rfc-editor@rfc-editor.org>
From: Mark Allman <mallman@icir.org>
In-Reply-To: <20151222101825.27A22180004@rfc-editor.org>
Organization: International Computer Science Institute (ICSI)
Song-of-the-Day: Mama Kin
X-URL-0: http://www.icir.org/mallman-files/Document46419.jpg
X-URL-1: http://www.icir.org/mallman-files/Document6649.html
X-URL-2: http://www.icir.org/mallman-files/Document55604.xls
MIME-Version: 1.0
Content-Type: multipart/signed; boundary="=-------459435943823349593450"; micalg="pgp-sha1"; protocol="application/pgp-signature"
Date: Mon, 04 Jan 2016 14:49:18 -0500
Message-ID: <31029.1451936958@lawyers.icir.org>
Sender: mallman@icir.org
Archived-At: <http://mailarchive.ietf.org/arch/msg/tsvwg/1rcMXGKZRVOU7kBygxEpM5JaFRM>
Cc: gorry@erg.abdn.ac.uk, floyd@icir.org, nmalykh@gmail.com, craig@bbn.com, mls.ietf@gmail.com, tsvwg@ietf.org
Subject: Re: [tsvwg] [Technical Errata Reported] RFC3390 (4569)
X-BeenThere: tsvwg@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
Reply-To: mallman@icir.org
List-Id: Transport Area Working Group <tsvwg.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tsvwg/>
List-Post: <mailto:tsvwg@ietf.org>
List-Help: <mailto:tsvwg-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tsvwg>, <mailto:tsvwg-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 04 Jan 2016 19:55:57 -0000

Yep- this is a small error that could well be noted in the RFC
errata.

I looked at it has its roots in RFC 2414 (the RFC that 3390
obsoleted).  So, you might as well add a note to that one, too.

allman



> The following errata report has been submitted for RFC3390,
> "Increasing TCP's Initial Window".
> 
> --------------------------------------
> You may review the report below and at:
> http://www.rfc-editor.org/errata_search.php?rfc=3390&eid=4569
> 
> --------------------------------------
> Type: Technical
> Reported by: Nikolai Malykh <nmalykh@gmail.com>
> 
> Section: 8.1
> 
> Original Text
> -------------
>    A second set of experiments explored TCP performance over dialup
>    modem links.  In experiments over a 28.8 bps dialup channel [All97a,
>    AHO98], a four-segment initial window decreased the transfer time of
>    a 16KB file by roughly 10%, with no accompanying increase in the drop
>    rate.  A simulation study [RFC2416] investigated the effects of using
>    a larger initial window on a host connected by a slow modem link and
>    a router with a 3 packet buffer.  The study concluded that for the
>    scenario investigated, the use of larger initial windows was not
>    harmful to TCP performance.
> 
> Corrected Text
> --------------
>    A second set of experiments explored TCP performance over dialup
>    modem links.  In experiments over a 28.8 Kbps dialup channel [All97a,
>    AHO98], a four-segment initial window decreased the transfer time of
>    a 16KB file by roughly 10%, with no accompanying increase in the drop
>    rate.  A simulation study [RFC2416] investigated the effects of using
>    a larger initial window on a host connected by a slow modem link and
>    a router with a 3 packet buffer.  The study concluded that for the
>    scenario investigated, the use of larger initial windows was not
>    harmful to TCP performance.
> 
> Notes
> -----
> Error bit rate - bps instead of Kbps.
> 
> Instructions:
> -------------
> This erratum is currently posted as "Reported". If necessary, please
> use "Reply All" to discuss whether it should be verified or
> rejected. When a decision is reached, the verifying party (IESG)
> can log in to change the status and edit the report, if necessary. 
> 
> --------------------------------------
> RFC3390 (draft-ietf-tsvwg-initwin-04)
> --------------------------------------
> Title: Increasing TCP's Initial Window
> Publication Date    : October 2002
> Author(s): M. Allman, S. Floyd, C. Partridge
> Category: PROPOSED STANDARD
> Source: Transport Area Working Group
> Area: Transport
> Stream: IETF
> Verifying Party     : IESG