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000186_jjpatteeuw@peoplepc.com_Sun Jun 30 13:53:41 EDT 2002.msg
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Article: 13492 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!newsfeed.nyu.edu!newsfeed.mathworks.com!newsfeed.cwix.com!newsfeed1.cidera.com!Cidera!cyclone.socal.rr.com!cyclone3.kc.rr.com!news3.kc.rr.com!twister.columbus.rr.com.POSTED!not-for-mail
Message-ID: <3D1F3AFE.FC0D1092@peoplepc.com>
From: Jack Patteeuw <jjpatteeuw@peoplepc.com>
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Newsgroups: comp.protocols.kermit.misc
Subject: Re: REPEAT COUNTS
References: <3D1DCAEE.18B634CC@peoplepc.com> <afkrr0$alp$1@watsol.cc.columbia.edu>
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Date: Sun, 30 Jun 2002 17:06:12 GMT
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Xref: newsmaster.cc.columbia.edu comp.protocols.kermit.misc:13492
Frank da Cruz wrote:
.
.
.
> It's a byte-oriented variation of run-length encoding. Simple but sometimes
> remarkably effective. Like everything else in Kermit, the user can control
> it -- turn it on or off, choose the repeat-count prefix, etc, although there
> is rarely a need to bother. It's on by default.
You guys keep making it easier and easier !!
Speaking of "High-Speed Kermit FIle Transfer", we have been doing some benchmarks
and the defaults for C-Kermit 7.x and K95 2.x seem to have all of the "tricks"
discussed in Chapter 12 turned on. However, when downloading out test case
(lptest 127 8192) from a VAX/VMS V7.2, STA /VERBOSE says it used 0 windows ? Why
? And is there anything we are missing to get maximum performance ?
C-Kermit>stat /verb
protocol : Kermit
status : SUCCESS
remote system type : Windows-32
files transferred : 1
files not transferred : 0
characters last file : 1056769
total file characters : 0
communication line in : 33
communication line out : 34
packets sent : 2
packets received : 2
damaged packets rec'd : 0
timeouts : 0
retransmissions : 0
parity : none
control characters : 0 prefixed, 0 unprefixed
8th bit prefixing : no
locking shifts : no
window slots used : 0 of 30
reliable: : not negotiated
clearchannel: : not negotiated
packet length : 3999 (send), 4000 (receive)
compression : yes [~] (0)
block check type used : 1
elapsed time : 00:04:47 (286.577 sec)
effective data rate : 3687 cps
K-95> stat /verb
protocol : Kermit
status : SUCCESS
remote system type : VMS
files transferred : 1
files not transferred : 0
characters last file : 1056768
total file characters : 1056768
communication line in : 1097983
communication line out : 2336
packets sent : 288
packets received : 288
damaged packets rec'd : 0
timeouts : 0
retransmissions : 0
parity : none
control characters : 16384 prefixed, 0 unprefixed
8th bit prefixing : no
locking shifts : no
window slots used : 1 of 30
reliable: : not negotiated
clearchannel: : not negotiated
packet length : 3999 (send), 4000 (receive)
compression : yes [~] (0)
block check type used : 3
elapsed time : 00:04:47 (286.582 sec)
transmission rate : 57600 bps
effective data rate : 3687 cps
--
Jack Patteeuw