Configuring EXCI on CICS Transaction Server for
z/OS
This information describes how to configure
EXCI connections to allow the CICS Transaction Gateway to connect
to a CICS Transaction Server. See the CICS Transaction Server
for z/OS Installation Guide for further details on EXCI configuration.
CICS server connection definition
CICS® Transaction
Server includes sample EXCI connection and session definitions (EXCG
and EXCS). These are in the sample group DFH$EXCI.
Open interregion communication
After you have installed the CONNECTION definitions, you
must set interregion communication (IRC) open.
EXCI user-replaceable module DFHXCURM
The user-replaceable module DFHXCURM is
invoked on EXCI Allocate_Pipe requests, and also
after detection of EXCI retryable errors.