Some functions which were supported in CICS® Transaction Server for z/OS®, Version 2 have
been discontinued, or reduced in scope CICS TS for z/OS, Version 3.
Changes to BTAM and TCAM support
CICS support
for the Basic Telecommunications Access Method (BTAM) is discontinued in CICS Transaction Server for z/OS, Version 3 Release 1. Support
for the Telecommunications Access Method (TCAM) is limited to indirect support
for the DCB interface.
Withdrawal of the CICS Transaction Affinities Utility
The CICS Transaction
Affinities Utility is not supplied with CICS TS for z/OS, Version 3.1.
Its functions of detecting and reporting transaction affinities are now provided
by the CICS Interdependency
Analyzer, which is a more sophisticated tool.