Date: Thu, 26 Feb 1998 08:36:15 +1030 From: Greg Lehey <grog@lemis.com> To: John Kelly <jak@cetlink.net> Cc: Chris Dillon <cdillon@wolves.k12.mo.us>, Adam Turoff <AdamT@smginc.com>, hackers <hackers@FreeBSD.ORG>, Robert Glover <rob@f-body.org> Subject: Re: Token Ring for FreeBSD yet? Message-ID: <19980226083615.55804@freebie.lemis.com> In-Reply-To: <34f4b8d8.6646364@mail.cetlink.net>; from John Kelly on Wed, Feb 25, 1998 at 06:27:07AM %2B0000 References: <34F37C2A@smginc.com> <Pine.BSF.3.96.980224192042.29916B-100000@duey.hs.wolves.k12.mo.us> <19980225122411.62329@freebie.lemis.com> <34f4b8d8.6646364@mail.cetlink.net>
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On Wed, 25 February 1998 at 6:27:07 +0000, John Kelly wrote: > On Wed, 25 Feb 1998 12:24:11 +1030, Greg Lehey <grog@lemis.com> 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
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