- When writing your routing program, you are likely to find the EXEC CICS INQUIRE CONNECTION and INQUIRE IRC commands particularly useful if you
want to confirm that a link is available before routing a request. The EXEC CICS INQUIRE and SET commands are described in the CICS® System Programming Reference manual.
- Because the distributed routing program executes outside a unit of work environment,
your program should not:
- Alter any recoverable resources
- Issue file control or temporary storage requests.
- If you want to keep information about how requests are routed, it must
be done in the user routing program, perhaps by writing the information to
a data set. Note that, because the routing program is distributed, all the CICS regions in the transaction routing set must have access to the data
set.
- The distributed routing program can be RMODE ANY but must be AMODE 31.
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