The IBM CICS Transaction Server for z/OS supports channels and
EXEC CICS LINK. In this respect CICS
containers can be considered as named COMMAREAs without the 32 KB limit.
The Natural CICS Interface supports CICS containers in two ways:
NCIPARM system generation parameter
CNTCALL is set
CALL automatically uses a CICS container rather than a CICS
COMMAREA, when the parameter data passed with the
CALL statement exceeds
In both cases, the default container name is
unless a container name is defined explicitly via application programming
USR4204N prior to the "real"