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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!munnari.OZ.AU!news.ecn.uoknor.edu!news.eng.convex.com!newshost.convex.com!newsgate.duke.edu!news.mathworks.com!newsfeed.internetmci.com!zdc!zdc-e!szdc-e!news From: "John S. Dyson" <toor@dyson.iquest.net> Newsgroups: comp.os.linux.networking,comp.unix.bsd.netbsd.misc,comp.unix.freebsd.misc Subject: Re: TCP latency Date: Sat, 06 Jul 1996 14:23:41 -0500 Organization: John S. Dyson's home machine Lines: 28 Message-ID: <31DEBD3D.41C67EA6@dyson.iquest.net> References: <4paedl$4bm@engnews2.Eng.Sun.COM> <4pf7f9$bsf@white.twinsun.com> <31D2F0C6.167EB0E7@inuxs.att.com> <4rf4me$nve@hpindda.cup.hp.com> <31DEADD4.41C67EA6@dyson.iquest.net> NNTP-Posting-Host: dyson.iquest.net Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.0b5a (X11; I; FreeBSD 2.2-CURRENT i386) Xref: euryale.cc.adfa.oz.au comp.os.linux.networking:44205 comp.unix.bsd.netbsd.misc:3946 John S. Dyson wrote: > > Rick Jones wrote: > > > > TCP is indeed a streaming protocol, the performance of which is bound > > by several things. One is how many CPU cycles it takes to send/recv a > > packet. Another is the window size divided by the end-to-end latency > > (W/RTT). > > My other point is that there are factors that affect latency, and > the benchmark results being talked about are only a small part > of the picture. (It is essentially a benchmark testing one > connection being made sequentially, with the rest of the > machine doing unspecified things, (probably nothing.)) I > would like to see a benchmark with many active connections and > (perhaps if desired) several concurrent connection requests. That > would simulate more closely the environment in an active server. > > Following up to my own comment -- I meant to say that it is a single "packet" being sent sequentially. Of course, the comment would stand for a connection also. I fully expect stinging followups between the time that the previous posting was received and this one, correcting the gaff. John