Mapping IBM MQ messages to IMS transaction types

A table describing the mapping of IBM MQ messages to IMS transaction types.

IBM MQ message type Commit-then-send (mode 0) - uses synchronized IMS Tpipes Send-then-commit (mode 1) - uses non-synchronized IMS Tpipes
Persistent IBM MQ messages

  • Recoverable full function transactions
  • Unrecoverable transactions are rejected by IMS

  • Fastpath transactions
  • Conversational transactions
  • Full function transactions

Nonpersistent IBM MQ messages

  • Unrecoverable full function transactions
  • Recoverable transactions are permitted with IMS V8 and APAR PQ61404 and all later versions of IMS

  • Fastpath transactions
  • Conversational transactions
  • Full function transactions

Note: IMS commands cannot use persistent IBM MQ messages with commit mode 0. See the IMS/ESA Open Transaction Manager Access User's Guide for more information. Parent topic: How the IMS bridge deals with messages