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An initial reminder that OS/390 2.10 is going out of service in a years
time, so you had better get onto z/OS!
If you are using VisualBasic as your client, then you do not need a CTG in the pathway to CICS. You can use TCP/IP to go directly into CICS and do the equivalent of an XC LINK. When configuring things, ensure availability by not going directly to a CICS region for execution but always going to a routing region that can decide to schedule the work in the best place. If you are a UK person, I have some presentations on the UK Guide/Share Web site about these issues). Have multiple routing regions and then use TCP/IP port sharing to ensure contact.
However, you will need some configuration information around on each of the VB clients to get contact with a routing region (that will need to be kept up-to-date).
I suggest you upgrade to a CTS Version 2 to get performance and operational advantages.
Robert Harris
Inventor
CICS Technical Strategist -- CICS expert at Search390.com
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