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Subsystem requirements

Subzero supports the following types of subsystem access:

  • Application programs that run under CICS and issue calls for access to DB2 databases
  • Application programs that run under CICS and issue calls for access to IMS databases
  • Application programs that run under CICS and issue calls for access to MQ messages
  • IMS subsystems that issue calls to a DB2 subsystem
  • Application programs that use the instrumentation facility interface (IFI) to issue commands to DB2 subsystems
  • A queue-sharing group (QSG) for IBM MQ that caches and accesses shared object definitions on a DB2 subsystem

An application can use multiple types of subsystem access routines.

Subzero supports the following subsystem access:

  • CICS-to-DB2
  • CICS-to-MQ
  • CICS-to-IMS/DB
  • IMS/TM-to-DB2
  • IMS/TM-to-MQ
  • MQ-to-DB2 (Shared Queues)
  • DB2-to-MQ (SPAS)
  • DB2 Batch

  • IMS batch (BMP, DLI, DBB)

    Warning

    Note

    Subsystem access is only supported by Subzero when you are using IBM documented application programming interfaces.

The following topics describe requirements for the subsystems that Subzero supports:

Related topic

Subzero-requirements

 

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Subsystem Optimizer 3.1