From owner-freebsd-current Fri Feb 25 11:21:25 2000 Delivered-To: freebsd-current@freebsd.org Received: from khavrinen.lcs.mit.edu (khavrinen.lcs.mit.edu [18.24.4.193]) by hub.freebsd.org (Postfix) with ESMTP id 726C037BA4D for ; Fri, 25 Feb 2000 11:21:20 -0800 (PST) (envelope-from wollman@khavrinen.lcs.mit.edu) Received: (from wollman@localhost) by khavrinen.lcs.mit.edu (8.9.3/8.9.3) id OAA31520; Fri, 25 Feb 2000 14:21:15 -0500 (EST) (envelope-from wollman) Date: Fri, 25 Feb 2000 14:21:15 -0500 (EST) From: Garrett Wollman Message-Id: <200002251921.OAA31520@khavrinen.lcs.mit.edu> To: "Rodney W. Grimes" Cc: wollman@khavrinen.lcs.mit.edu (Garrett Wollman), cwasser@v-wave.com (Chris Wasser), freebsd-current@FreeBSD.ORG Subject: Re: dc0 wierdness with Compex Freedomline In-Reply-To: <200002251908.LAA71093@gndrsh.dnsmgr.net> References: <200002251833.NAA31071@khavrinen.lcs.mit.edu> <200002251908.LAA71093@gndrsh.dnsmgr.net> Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG < said: >> The maximum for full-duplex is utterly irrelevant, since the bounds on >> performance for half-duplex Ethernet networks come from CSMA/CD. > I will say it one last time, duplex falls out of the equations when you > solve for ``maximal''. Nonsense. > It has 0 meaning in the numbers used. Go read > my analysis and tell me why I can't pump 12MB/sec on 100BaseTX, By no means -- you certainly can do that, if you have only one station sending at a time. Of course, a monologue is by definition not useful communication. > You keep throwing P(coll) in, P(coll) only occurs if your upper layer is > causing P(coll) by doing things like ack packets. I'd certainly like to see a demonstration of your network using ESP for reliability. -GAWollman -- Garrett A. Wollman | O Siem / We are all family / O Siem / We're all the same wollman@lcs.mit.edu | O Siem / The fires of freedom Opinions not those of| Dance in the burning flame MIT, LCS, CRS, or NSA| - Susan Aglukark and Chad Irschick To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message