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Article #46664Re: modem thruput: what do you get?
From: Matthew T. Russotto
Date: Wed, 21 Feb 1990 18:29
Date: Wed, 21 Feb 1990 18:29
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1298 bytes
In article <7380043@hpwrce.HP.COM> ted@hpwrce.HP.COM ( Ted Johnson) writes: >How many chars/sec should a "good" implementation of kermit transmit? > >Using a Hayes 1200, I got 70 chars/sec >Using a Hayes 2400, I got 118 chars/sec > >A quick back-of-the-envelope calculation shows that the >theoritical (sp?) max. thruput is 150 chars/sec and 300 chars/sec, >for the 1200 and 2400 baud modems (assuming that these both >use 2 signal levels, so that bps = baud..., which may not be true). > Kermit, using small blocks, is pretty slow. Also, your theroetical max is off- it's 120cps and 240cps at 8-n-1. I'm not going to deny that Red Ryder is a dog though. If you can use another protocol, do so. -- Matthew T. Russotto russotto@eng.umd.edu russotto@wam.umd.edu ][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?
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arc1-ca.pugleaf.net!utzoo!attcan!uunet!ogicse!uwm.edu!zaphod.mps.ohio-state.edu!samsung!aplcen!haven!mimsy!mojo!russottoReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ogicse!uwm.edu!zaphod.mps.ohio-state.edu!samsung!aplcen!haven!mimsy!mojo!russotto From: russotto@eng.umd.edu (Matthew T. Russotto) Newsgroups: comp.sys.mac Subject: Re: modem thruput: what do you get? Message-ID: <1990Feb21.182950.29445@eng.umd.edu> Date: 21 Feb 90 18:29:50 GMT References: <7380043@hpwrce.HP.COM> Sender: news@eng.umd.edu (The News System) Organization: Maryversity of Uniland, College Park Lines: 17