IETF Logo Mail Archive

Re: [Idr] BGP maximum message size

Tony Li <tony.li@tony.li> Mon, 25 February 2013 11:39 UTC

Return-Path: <tony.li@tony.li>
X-Original-To: idr@ietfa.amsl.com
Delivered-To: idr@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 35A0A21F92C7 for <idr@ietfa.amsl.com>; Mon, 25 Feb 2013 03:39:52 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -100.437
X-Spam-Level:
X-Spam-Status: No, score=-100.437 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, FH_RELAY_NODNS=1.451, HELO_MISMATCH_NET=0.611, RDNS_NONE=0.1, USER_IN_WHITELIST=-100]
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 YsYlBa9Wtonh for <idr@ietfa.amsl.com>; Mon, 25 Feb 2013 03:39:51 -0800 (PST)
Received: from qmta15.westchester.pa.mail.comcast.net (qmta15.westchester.pa.mail.comcast.net [IPv6:2001:558:fe14:44:76:96:59:228]) by ietfa.amsl.com (Postfix) with ESMTP id 7694921F92C1 for <idr@ietf.org>; Mon, 25 Feb 2013 03:39:51 -0800 (PST)
Received: from omta23.westchester.pa.mail.comcast.net ([76.96.62.74]) by qmta15.westchester.pa.mail.comcast.net with comcast id 4bde1l0031c6gX85FbfrpH; Mon, 25 Feb 2013 11:39:51 +0000
Received: from [192.168.1.66] ([76.218.80.143]) by omta23.westchester.pa.mail.comcast.net with comcast id 4bdQ1l00U35XgAs3jbdWP9; Mon, 25 Feb 2013 11:37:46 +0000
Content-Type: text/plain; charset="iso-8859-1"
Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\))
From: Tony Li <tony.li@tony.li>
In-Reply-To: <BAY170-W120372DB54B83B1D226D9DFDDF30@phx.gbl>
Date: Mon, 25 Feb 2013 03:37:24 -0800
Content-Transfer-Encoding: quoted-printable
Message-Id: <58B1D467-5244-4478-BD4D-81284873AF23@tony.li>
References: <BAY170-W120372DB54B83B1D226D9DFDDF30@phx.gbl>
To: suketu soni <suketusoni@hotmail.com>
X-Mailer: Apple Mail (2.1499)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20121106; t=1361792391; bh=nT8lNwG7yGRJQHyKLkn+biU/Vrk3SjnF/SYw3Nmoawg=; h=Received:Received:Content-Type:Mime-Version:Subject:From:Date: Message-Id:To; b=JUhr+GFJJR4RZIUbOyQBZUrYh90KMJeGiCaNQ9yJYluNpc7zhmfW557SOo4mBgBfN iNysAao7RsnOMiFD0kq1rB/9UOmWJbV3lq+5OFeiGp35hPcMLg/UiMu5EdaReAz8NG ws1nrbP7x/f+hb9bMQhSxHh2kFS5NVaCHuwI7oFnNOMKdEF7aaieOCt+34Hu7qLEKe b04A1/0ExpwD1KICwzqlIFv7nWrjhvpwAPgp3kdyOlrM25rF0JeskEN0mmFZ4SsfPF HVC1zboYXwyqJFPPhW+4SHcAcrZlCU6jrdfOYU0ZmYTRGt+ypve3Lis/OoZT/KQQSp Ay2S58E8bRT6Q==
Cc: idr@ietf.org
Subject: Re: [Idr] BGP maximum message size
X-BeenThere: idr@ietf.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Inter-Domain Routing <idr.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/idr>, <mailto:idr-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/idr>
List-Post: <mailto:idr@ietf.org>
List-Help: <mailto:idr-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/idr>, <mailto:idr-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 25 Feb 2013 11:39:52 -0000

> 
> RFC 4271 comments about BGP maximum message size: 
>  
> "BGP messages are sent over TCP connections. A message is processed only after it is entirely received. The maximum message size is 4096 octets. All implementations are required to support this maximum message size. The smallest message that may be sent consists of a BGP header without a data portion (19 octets)."
>  
> Does this message size - 4096 octets - relate to maximum TCP window size used by BGP?


Hi Suketu,

No, not at all.  They are completely independent.

Tony

v2.23.0 | Report a Bug | By Email