From owner-freebsd-net Thu Jul 6 8:41:26 2000 Delivered-To: freebsd-net@freebsd.org Received: from prism.flugsvamp.com (cb58709-a.mdsn1.wi.home.com [24.17.241.9]) by hub.freebsd.org (Postfix) with ESMTP id 374C637C478 for ; Thu, 6 Jul 2000 08:41:18 -0700 (PDT) (envelope-from jlemon@flugsvamp.com) Received: (from jlemon@localhost) by prism.flugsvamp.com (8.9.3/8.9.3) id KAA19759; Thu, 6 Jul 2000 10:46:21 -0500 (CDT) (envelope-from jlemon) Date: Thu, 6 Jul 2000 10:46:21 -0500 (CDT) From: Jonathan Lemon Message-Id: <200007061546.KAA19759@prism.flugsvamp.com> To: jayanth@yahoo-inc.com, net@freebsd.org Subject: Re: slowstart_flightsize X-Newsgroups: local.mail.freebsd-net In-Reply-To: Organization: Cc: Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In article you write: >Not sure if this issue has been discussed before. > >Am I right in assuming that the sysctl value >net.inet.tcp.slowstart_flightsize should never be >set to zero ? If this value is zero the congestion window >is reduced to 1 byte not one segment during slow start. >Just wondering if a check should be added that sets the >congestion window to one segment even if slowstart_flightsize = 0. Yes, there probably should be a safety belt of some sort, the range of this should probably be something like 1 .. 5 (or some other small number). I didn't put in any checks, since I figured that the people tweaking this knob would already know what its purpose was. -- Jonathan To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message