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000382_news@columbia.edu_Mon Jul 17 21:08:39 1995.msg
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Newsgroups: comp.dcom.modems,comp.protocols.kermit.misc
Path: news.columbia.edu!news.cs.columbia.edu!news.boxhill.com!news.sprintlink.net!howland.reston.ans.net!ix.netcom.com!netcom.com!jhurwit
From: jhurwit@netcom.com (Jeffrey Hurwit)
Subject: Re: ************ Down Loading - which protocol ??!! ************
Message-Id: <XFtCww8Z7WeS084yn@netcom.com>
Followup-To: comp.protocols.kermit.misc
Sender: jhurwit@netcom7.netcom.com
Organization: Organization? What organization?
References: <3ue9uh$t5p@harbinger.cc.monash.edu.au> <pumaDBvqn5.3sy@netcom.com>
Date: Mon, 17 Jul 1995 21:08:39 GMT
Lines: 37
Xref: news.columbia.edu comp.dcom.modems:102841 comp.protocols.kermit.misc:3218
Apparently-To: kermit.misc@watsun.cc.columbia.edu
[Followup's to comp.protocols.kermit.misc]
In article <pumaDBvqn5.3sy@netcom.com>,
puma@netcom.com (Gary Breuckman) wrote:
>In article <3ue9uh$t5p@harbinger.cc.monash.edu.au>,
>Mr NM Ng <nmng1@mdw050.cc.monash.edu.au> wrote:
>>Hi I just got a modem (14.4k) and I was wondering if anyone could tell me
>>if my KERMIT downloads are EXTREMELY slow for any particular reason, i.e.
>>is it just that protocol, or are some of my settings likely to be "funny" ?
>>I tried increasing window size but that didn;t allow much increment.
>
>Kermit is designed to work over any connection, but there are a number of
>things that can be adjusted for better transfer rate. Window size is one
>of them but even more important is
> set send packet 1000
> set rec packet 1000
>so that kermit will use a larger packet size. You will likely have to do
>this on BOTH ends of the connection, unless the defaults are already in
>place on one end. Depending on the version of kermit, there are files
>defined where you can put these commands so you don't have to enter them
>each time, for DOS it's MSKERMIT.INI for UNIX try .kermrc
That's two out of three: 1) Optimum number of windows, 2) larger
packets, and 3) control character unprefixing (for binary files on
8-bit datapaths). Get the latest kermit software from Columbia U.,
read the docs carefully, and follow the discussions on
comp.protocols.kermit.misc. Experiment with your settings to find
the optimums. Optimums for packet size and unprefixed control
characters will not necessarily be the same for both directions.
The latest Kermit software for MS-DOS is (as I recall)
ftp://kermit.columbia.edu/kermit/archives/msvibm.zip. If your site
doesn't have the latest "host" Kermit, you might investigate
getting the sources and building your own.
Jeff