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000101_news@newsmaster….columbia.edu _Wed Jul 23 15:54:52 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Thumb rule
Date: 23 Jul 1997 19:54:47 GMT
Organization: Columbia University
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In article <TCPSMTP.17.7.21.1.35.48.2375661496.4569062@kincyb.com>,
<dallasii@kincyb.com> wrote:
: On a PC hardware newsgroup recently, someone recommended at
: thumbrule of having a PC to modem speed of 4 times the
: modem to modem connection speed for optimum 'throughput'
: for the session.
:
: Any comments on this?
:
This is to allow modem-to-modem compression to be effective, since the
claim is that V.42bis compression as implemented in (say) V.34 modems,
typically compresses non-precompressed data by a factor of four. Take with
grain of salt.
- Frank