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000197_news@columbia.edu_Fri Apr 21 13:19:55 1995.msg
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From: d-bott@ux1.cso.uiuc.edu (bott david m jr)
Newsgroups: comp.protocols.kermit.misc
Subject: No ack errors - any suggestions?
Date: 21 Apr 1995 13:19:55 GMT
Organization: University of Illinois at Urbana
Lines: 42
Message-Id: <3n8bdr$34o@vixen.cso.uiuc.edu>
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Apparently-To: kermit.misc@watsun.cc.columbia.edu
I am using a USR Sportster 14.4 modem connecting to a modem bank at the
University of Illinois, U-C. I've been uploading uuencoded files for
mailing using CrossTalk for Windows' Kermit Protocol with the following
settings:
Filetype: text
Checksum: single
Timing: tight
Sliding Window: 2
Max Packet length: 1024
and my .kermrc on the Unix account is:
block 3
window-size 2
send packet-length 1024
receive packet-length 1024
file collision overwrite
I am constantly getting "no ack" errors (the only kind) and they slow
down the transfer considerably on uploads (I can use the less robust
zmodem transfer on downloads and achieve really high transfer rates).
Is there anything I can do to reduce the "no ack" errors or is this
a function of the hardware and mainframe "busy-ness?"
I realize this is ALMOST a non-kermit question, but KERMIT is the only
protocol that allows even 1000-1100 bps transfer rates. All others
fail to upload (but they download OK).
Thanks for any help.
DAve
--
David M.Bott, Jr. Please address email to: d-bott@uiuc.edu
Sociology Department and Coordinated Science Lab
University of Illinois, Urbana-Champaign