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Article #762

Re: Kermit question

#762
From: Mark B. Johnson
Date: Wed, 28 Jun 1989 18:52
22 lines
1601 bytes
In article <14586@ut-emx.UUCP> nghiem@walt.cc.utexas.edu (Alex Nghiem) writes:
>[question about why MacKermit seems slow during file transfer at 9600 baud]
>
>You need to change your send and receive packet size to 1000 and set
>your block check type to 3 (CRC) to ensure 99.9% error correction. If
>you use the default settings, your packet size will be only 94 bytes.
>You will lose throughput because of the overhead needed to calculate
>a checksum for each of the 94 byte blocks.

You don't need to set block check to 3 (it can stay at 1) to use long
packets in Kermit.  Setting it to 3 actually slows the transfer rate.
To use long packets, you'll need version 0.9(40) of MacKermit and at
preferably edit history (70) of C Kermit on your Unix machine...

 

Mark B. Johnson                                            AppleLink: mjohnson
Developer Technical Support                         domain: mjohnson@Apple.com
Apple Computer, Inc.         UUCP:  {amdahl,decwrl,sun,unisoft}!apple!mjohnson

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Message-ID: <32757@apple.Apple.COM>
Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!mjohnson
References: <320@umabco.UUCP> <7233@cg-atla.UUCP> <32533@apple.Apple.COM> <3769@viscous.sco.COM> <14586@ut-emx.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!apple!mjohnson
From: mjohnson@Apple.COM (Mark B. Johnson)
Newsgroups: comp.sys.mac
Subject: Re: Kermit question
Message-ID: <32757@apple.Apple.COM>
Date: 28 Jun 89 18:52:36 GMT
References: <320@umabco.UUCP> <7233@cg-atla.UUCP> <32533@apple.Apple.COM> <3769@viscous.sco.COM> <14586@ut-emx.UUCP>
Organization: Apple Computer Inc, Cupertino, CA
Lines: 23