A TCPIPSERVICE resource to defines which TCP/IP
services are to use CICS® internal sockets support. The internal CICS services
that can be defined are ECI over TCP/IP (for CICS Clients), IIOP, CICS Web
support (HTTP), or a user-defined protocol.
The TCPIPSERVICE definition allows you to manage these internal CICS interfaces, with CICS listening on multiple ports, with different flavors of ECI, IIOP, CICS Web support or the user-defined protocol on different ports.
TCPIPSERVICE definitions are for use only with the CICS-provided
TCP/IP services, and have nothing to do with the z/OS Communications Server
IP CICS Sockets interface. The TCP/IP Socket Interface for CICS is supplied
with z/OS Communications Server, which is an integral part of z/OS and does
not use the CICS SO domain.
TCPIPSERVICE definitions that specify PROTOCOL(IIOP) must be installed in both the listener region and AOR in a CICS logical server. See Java™ Applications in CICS