CICS ONC RPC concepts

This section describes the CICS® ONC RPC components and control flow.

ONC RPC remote procedures and CICS programs
In CICS ONC RPC, the CICS programs are identified by a 4-tuple.
CICS ONC RPC transactions
Three CICS transactions are supplied with CICS ONC RPC: connection manager, server controller, and alias.
CICS ONC RPC user-replaceable programs
Servicing a client request involves not only a CICS program, but a converter program and XDR routines. For compatibility with earlier releases of CICS you can use a resource checker program to validate incoming client requests, or you can use CICS security facilities.
CICS ONC RPC control flow
This shows the components involved in processing a typical client ONC RPC request.
CICS ONC RPC data flow
This section describes data flow from a client to a CICS program, and from a CICS program back to the client.

Parent topic: Introduction to ONC RPC

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