z/OS CICS TCP/IP

CA Gen offers two connection implementations that use CICS TCP/IP Sockets:

CICS Socket Listener—This implementation uses the CICS Socket Listener program TISRVLIS. TISRVLIS passes the connection socket to the Gen server application. The application server manages the socket and closes the socket when execution completes. This is known as a non persistent socket connection as the socket connection is not maintained from one client request to the next.
Direct Connect for CICS—This implementation uses a persistent socket connection where the single socket connection is maintained throughout the life of the application.
Note: Direct Connect for CICS support is no longer supported. Earlier versions of this implementation will be supported as long as the software release in which it was delivered is supported.