The replacement CSD resource definition type for TST entries is the TSMODEL, which provides equivalent function for most of the various DFHTST macro types. However, the TSMODEL resource definition does not provide support for the TSAGE parameter, or for application programs that rely on the mapping of SYSIDNTs to SHARED TST entries for queues held in a TS pool. If an application program explicitly specifies a SYSID on a TS queue request for a queue that resides in a TS data sharing pool, it requires the support of a TST. Until an alternative mapping of explicit SYSIDs is provided by a new CSD resource definition type, IBM® will continue to support the use of the TST for TYPE=SHARED entries.
This statement is a change from that made in the CICS® TS 1.3 Migration Guide, which indicated that CICS TS 1.3 would be the last release to provide run-time support for the TST.
For information about migrating TST entries to the CSD, and about continuing to use a TST to map SYSIDs to a TS data sharing pool, see Migrating TST entries to the CSD
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