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Can we convert an app in TELON/IMS platform to a CICS/DB2 environment?

Is it possible to convert an app in TELON/IMS platform to a CICS/DB2 environment? Learn how in this expert tip.

What are the different options available to Migrate/Convert an application in TELON/IMS platform to a standalone...

CICS/DB2 environment?


Well, I vaguely remember working with a Telon IMS-DB/DC application about 20 years ago. From what little I recall about Telon I think you might be best-served by getting rid of it. But I think that would require a heckuva lot of work. It would mean redesigning the database from hierarchical to DB2/SQL and recoding the application from ground-zero. And it would mean converting the IMS/TM calls to CICS calls. I know of no quick way of doing this. The hardest task will be re-capturing all of the business logic from the Telon application (because Telon is a code generator). Also, as I recall, you can have the Telon app call code modules that are hand-coded, too. So getting a handle on such a monster will be "fun" (sarcasm intended).

With all of that said, you might be able to reduce the time to convert by keeping Telon around. I checked out the CA web site (Telon is now a Computer Associates product) and there are Telon options for DB2 and CICS. So, if Telon really works as a code generator should you should be able to purchase these add-on options and re-generate the code for DB2/CICS instead of IMS/TM and IMS/DB. But, I doubt it will work that easily. And this does nothing to ensure that you have redesigned the database appropriately from IMS hierarchies to DB2 tables.

Good luck!


This was last published in February 2003

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