Communications/Transactions Guide and Reference
CICS External Call Interface (ECI) is a transaction system that
requires a record for each request. In the CICS ECI communication
protocol, there are two parts that work together to implement a CICS
transaction:
- The CICS Program represents a CICS ECI transaction to a CICS
server. Its attributes, actions, and events enable the VisualAge
application to make a transactional request to a CICS server and monitor its
status.
- The CICS Logical Unit of Work part allows the user to logically
couple one or more CICS ECI transactions together and commit them (if
successful) or roll them back (if unsuccessful). The user has control
over which transactions are coupled and when (and whether) they should be
committed or backed out.
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