From owner-freebsd-stable Thu Apr 5 14:26:11 2001 Delivered-To: freebsd-stable@freebsd.org Received: from netau1.alcanet.com.au (ntp.alcanet.com.au [203.62.196.27]) by hub.freebsd.org (Postfix) with ESMTP id 94E6937B42C for ; Thu, 5 Apr 2001 14:26:02 -0700 (PDT) (envelope-from jeremyp@gsmx07.alcatel.com.au) Received: from mfg1.cim.alcatel.com.au (mfg1.cim.alcatel.com.au [139.188.23.1]) by netau1.alcanet.com.au (8.9.3 (PHNE_22672)/8.9.3) with ESMTP id HAA27229; Fri, 6 Apr 2001 07:25:49 +1000 (EST) Received: from gsmx07.alcatel.com.au by cim.alcatel.com.au (PMDF V5.2-32 #37645) with ESMTP id <01K22KSUUMDSS4MR7C@cim.alcatel.com.au>; Fri, 6 Apr 2001 07:25:42 +1100 Received: (from jeremyp@localhost) by gsmx07.alcatel.com.au (8.11.1/8.11.1) id f35LPk377639; Fri, 06 Apr 2001 07:25:46 +1000 (EST envelope-from jeremyp) Content-return: prohibited Date: Fri, 06 Apr 2001 07:25:46 +1000 From: Peter Jeremy Subject: Re: TCP New Reno algorithm In-reply-to: <200104051637.f35GbnT96821@cwsys.cwsent.com>; from Cy.Schubert@uumail.gov.bc.ca on Thu, Apr 05, 2001 at 09:37:49AM -0700 To: Cy Schubert - ITSD Open Systems Group Cc: freebsd-stable@FreeBSD.ORG Mail-Followup-To: Cy Schubert - ITSD Open Systems Group , freebsd-stable@FreeBSD.ORG Message-id: <20010406072545.C66243@gsmx07.alcatel.com.au> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-disposition: inline User-Agent: Mutt/1.2.5i References: <200104051637.f35GbnT96821@cwsys.cwsent.com> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 2001-Apr-05 09:37:49 -0700, Cy Schubert - ITSD Open Systems Group wrote: [TCP New Reno kills Veritas backup throughput] I had the same problem in -CURRENT last August: newreno killed SSH throughput but didn't affect FTP. The problem in -CURRENT seems to have been fixed, but I'm not sure when/how. >What is the TCP New Reno algorithm supposed to do? Have a look at RFC2582 "The NewReno Modification to TCP's Fast Recovery Algorithm". Peter To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message