) by chopin.merit.edu (MOS 3.8.2-GA) with ESMTP id AFJ74342; Thu, 12 Jul 2007 15:29:37 -0400 (EDT) Received: from turing-police.cc.vt.edu (turing-police.cc.vt.edu [127.0.0.1]) by turing-police.cc.vt.edu (8.14.1/8.14.1) with ESMTP id l6CJTbg9014274; Thu, 12 Jul 2007 15:29:37 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.2 To: Philip Lavine <source_route@yahoo.com> Cc: nanog <nanog@merit.edu> Subject: Re: TCP congestion In-Reply-To: Your message of "Thu, 12 Jul 2007 11:07:00 PDT." <30366.27320.qm@web30805.mail.mud.yahoo.com> From: Valdis.Kletnieks@vt.edu References: <30366.27320.qm@web30805.mail.mud.yahoo.com> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1184268577_3357P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Thu, 12 Jul 2007 15:29:37 -0400 Message-ID: <14272.1184268577@turing-police.cc.vt.edu> Sender: owner-nanog@merit.edu Precedence: bulk Errors-To: owner-nanog@merit.edu X-Loop: nanog X-Junkmail-Status: score=10/50, host=mozart.merit.edu X-Junkmail-SD-Raw: score=unknown, refid=str=0001.0A090206.4696825D.009C:SCGAP167720,ss=1,fgs=0, ip=198.108.1.26, so=2006-09-22 03:48:54, dmn=5.3.14/2007-05-31 Status: RO X-Status: X-Keywords: NonJunk X-UID: 14 --==_Exmh_1184268577_3357P Content-Type: text/plain; charset=us-ascii On Thu, 12 Jul 2007 11:07:00 PDT, Philip Lavine said:
What is strange is there is nothing prior to the drop off that would be an impetus for congestion (no high BW utilization or packet loss).
Just because there wasn't any congestion reason that *you* could see where you hat your instrumentation doesn't mean there's 100% congestion free end-to-end. (Feel free to hit delete if you actually *do* have instrumentation looking both directions on every segment involved). Who knows, maybe a few packets got corrupted on the wire, and the TCP chucksum actually caught it and dropped the offending packets. --==_Exmh_1184268577_3357P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFGloEhcC3lWbTT17ARAhJ+AJ9hZzBts0geN/HQQyrtVpHB9rHaBwCg5aQA O5kDiauP3dxbe3i+qXsnf+0= =cOY3 -----END PGP SIGNATURE----- --==_Exmh_1184268577_3357P--
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