Also check with the system programmers on the performance specifications for
VTAM, TCPIP and the TSM server started task. For compatibility mode check
the IPS/ICS members of parmlib and the service classificaitons in GOAL mode.
Also have them look at the BPX tasks. At this level of OS/390, TCPIP is
partially a USS task. The BPXPRMxx member for some
parameters..MAXSOCKETS()..

In the TCPIP parmlib member:


TCPCONFIG        RESTRICTLOWPORTS
                 TCPSENDBFRSIZE     262144
                 TCPRCVBUFRSIZE     262144
                 TCPMAXRCVBUFRSIZE  524288

and the PORT line:
          1500 UDP ADSM     NODELAYACKS  ; ADSM PRODUCTION

I found significant performance improvement with the NODELAYACKS.

Bill Boyer
DSS, Inc.