This whitepaper describes how one can make a call to the CICS program from the Batch program running within MVC using the external CICS interface (EXCI).
This is important in the application where we want to pass data via a batch process to an online module within the mainframe environment. This programming interface allows a user to allocate and open sessions, or pipes (a one-way communication path between a sending process and a receiving process) to a CICS region, and to pass distributed program link (DPL) requests over them. The multi-region operation (MRO) facility of CICS’ Inter-Region Communication (IRC) facility supports these requests, and each pipe maps onto one MRO session, where the client programs.

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