Item Subject: 1.txt "internet headers"
Could not convert BINARY FILE item to text.
Will attempt to 'shar' item as file '05hnf77' at end of msg.
.......................................................................
Item Subject: Reply to MVS Server with OSA2
We use a CISCO CIP card attaching to our ESCON director. It works
well.
Jim Kleberg
State Street
______________________________ Reply Separator _________________________________
Subject: Reply to MVS Server with OSA2
Author: STEWAJM (STEWAJM AT AUDUCADM.DUC.AUBURN DOT EDU)
Date: 6/12/97 1:59 PM
*** Original Author: ADSM-L @ MARIST - ** Remote User **; 06/11/97 03:25pm
>Date: Wed, 11 Jun 1997 15:02:30 -0600
>Reply-To: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>Sender: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
>From: Tony Pietrusiewicz <PIETRUSIEWICZT AT BCBSIL DOT COM>
>Subject: MVS Server with OSA2 Adapter on CMOSS Processor
>To: ADSM-L AT VM.MARIST DOT EDU
>
Hello All,
I'm currently running on an MVS Server using TCP/IP with a 3172
Controller and ICP. We have a CMOSS processor on order.
Would ADSM performance improve using an OSA2 adapter on the
CMOSS processor?
Another alternative would be to use a CISCO router. Does anyone
know the pros and cons?
Your comments please.
Tony Pietrusiewicz
Blue Cross Blue Shield of Illinois
phone # 312-946-5205
fax # 847-473-1446
*** Comments From: STEWAJM - Stewart, Mike; 06/11/97 04:13pm
We have a CMOS machine and run ADSM/MVS, TCP/IP clients.
We have both an OSA(1) and a 3172 (model 3, w/486 processor).
We recently spent a few hours one Sunday morning swapping
between the two and testing performance.
The first environment we tested was:
cmos--3172-3 --- tr --- pc
Compared to:
cmos(osa1) --- tr --- pc
Moving to the OSA1 produced a 27% reduction in data transfer time.
The second environment we tested was:
cmos--3172-3 --- tr --- cisco -- ethernet -- pc
compared to:
cmos(osa1) --- tr --- cisco -- ethernet -- pc
Moving to the OSA1 produced a 66% increase in data transfer time.
These numbers represent the best we could do with various
settings of TCP packetsize/buffersize.
Because most of our traffic is ethernet routed to the token ring
we decided to use the 3172-3 for our primary IP traffic.
Note, I don't present this as an exhaustive test, just what we
came up with in a few hours testing, playing with the settings
we had easy access to. There could easily be other knobs to
tweak in the routers that could make a difference.
# This is a shell archive. Remove anything before this line,
# then unpack it by saving it in a file and typing "sh file".
#
# Wrapped by <openmail@svoa0004> on Fri Jun 13 13:02:06 1997
#
# This archive contains:
# 05hnf77
#
# Error checking via wc(1) will be performed.
LANG=""; export LANG
PATH=/bin:/usr/bin:$PATH; export PATH
rm -f /tmp/uud$$
(echo "begin 666 /tmp/uud$$\n#;VL*n#6%@x\n \nend" | uudecode) >/dev/null 2>&1
if [ X"`cat /tmp/uud$$ 2>&1`" = Xok ]
then
unpacker=uudecode
else
echo Compiling unpacker for non-ascii files
pwd=`pwd`; cd /tmp
cat >unpack$$.c <<'EOF'
#include <stdio.h>
#define C (*p++ - ' ' & 077)
main()
{
int n;
char buf[128], *p, a,b;
scanf("begin %o ", &n);
gets(buf);
if (freopen(buf, "w", stdout) == NULL) {
perror(buf);
exit(1);
}
while (gets(p=buf) && (n=C)) {
while (n>0) {
a = C;
if (n-- > 0) putchar(a << 2 | (b=C) >> 4);
if (n-- > 0) putchar(b << 4 | (a=C) >> 2);
if (n-- > 0) putchar(a << 6 | C);
}
}
exit(0);
}
EOF
cc -o unpack$$ unpack$$.c
rm unpack$$.c
cd $pwd
unpacker=/tmp/unpack$$
fi
rm -f /tmp/uud$$
echo x - 05hnf77 '[non-ascii]'
$unpacker <<'@eof'
begin 660 05hnf77
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M,#0P, T*4F5C96EV960Z(&9R;VT@5DTN34%225-4+D5$52 H=FTN;6%R:7-TX
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I=F5R('=I=&@@3U-!,@T*5&\Z($%$4TTM3$!632Y-05))4U0N1415#0H@ X
X
end
@eof
set `wc -lwc <05hnf77`
if test $1$2$3 != 231861481
then
echo ERROR: wc results of 05hnf77 are $* should be 23 186 1481
fi
chmod 660 05hnf77
rm -f /tmp/unpack$$
exit 0
|
