From owner-freebsd-hackers Wed Feb 25 14:06:51 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA07073 for freebsd-hackers-outgoing; Wed, 25 Feb 1998 14:06:51 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from allegro.lemis.com (allegro.lemis.com [192.109.197.134]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA07054 for ; Wed, 25 Feb 1998 14:06:31 -0800 (PST) (envelope-from grog@lemis.com) Received: from freebie.lemis.com (freebie.lemis.com [192.109.197.137]) by allegro.lemis.com (8.8.7/8.8.5) with ESMTP id IAA11655; Thu, 26 Feb 1998 08:36:16 +1030 (CST) Received: (from grog@localhost) by freebie.lemis.com (8.8.8/8.8.7) id IAA01364; Thu, 26 Feb 1998 08:36:15 +1030 (CST) (envelope-from grog) Message-ID: <19980226083615.55804@freebie.lemis.com> Date: Thu, 26 Feb 1998 08:36:15 +1030 From: Greg Lehey To: John Kelly Cc: Chris Dillon , Adam Turoff , hackers , Robert Glover Subject: Re: Token Ring for FreeBSD yet? References: <34F37C2A@smginc.com> <19980225122411.62329@freebie.lemis.com> <34f4b8d8.6646364@mail.cetlink.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.89i In-Reply-To: <34f4b8d8.6646364@mail.cetlink.net>; from John Kelly on Wed, Feb 25, 1998 at 06:27:07AM +0000 WWW-Home-Page: http://www.lemis.com/~grog Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-41-739-7062 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wed, 25 February 1998 at 6:27:07 +0000, John Kelly wrote: > On Wed, 25 Feb 1998 12:24:11 +1030, Greg Lehey wrote: > >> On a normal network, a 10Mbit Ethernet network could outrun a 16Mbit >> Token Ring network, simply because of the token-passing scheme that >> Token Ring uses. > >> token passing isn't very efficient under any kind of load. > > Can you back this up with performance test data? No, of course not, or I wouldn't have mentioned the theoretical side. > It doesn't jive at all with test results Tolly published several years > ago in Data Communications. Did he have an axe to grind? > He said token ring would run at full 16mb wire speed while Ethernet > would degrade to 7mb because of collisions. Right, and none of us have ever seen more than 7 Mb/s out of a 10 Mb Ethernet, right? Any such statement *must* be qualified by the test conditions. Greg To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message