Setting up CICS ONC RPC

Clients

Clients must access servers on CICS® ONC RPC over a TCP/IP network.

Client systems must use a library compatible with the library for ONC RPC Version 3.9, as this is the ONC RPC version supported by TCP/IP for MVS™ (Versions 2.2.1 and 3.1). To communicate over a TCP/IP network, appropriate hardware and software must be in place.

MVS

The following items are prerequisite, that is, must be installed on the MVS system for CICS ONC RPC to run.

CICS

CICS must be set up for Language Environment support, as described in the CICS Transaction Server for z/OS® Installation Guide and in the Language Environment for OS/390® Customization Guide.

Note:
TCP/IP for MVS CICS Sockets is not a prerequisite for CICS ONC RPC.
TCP/IP for MVS

CICS ONC RPC and TCP/IP for MVS CICS Sockets Version 2.2.1 cannot operate together from one CICS region to one TCP/IP for MVS region. You are advised to run CICS Sockets and CICS ONC RPC in different CICS regions.

TCP/IP for MVS Version 3.1 users do not have this problem; CICS Sockets and CICS ONC RPC can both be run from the same CICS region.

TCP/IP for MVS 2.2.1

There are no prerequisites for running CICS ONC RPC.

Note:
CICS ONC RPC and TCP/IP for MVS CICS Sockets Version 2.2.1 cannot operate together from one CICS region to one TCP/IP for MVS region. You are advised to run CICS Sockets and CICS ONC RPC from different CICS regions.
TCP/IP for MVS 3.1

The following PTF is a prerequisite for running CICS ONC RPC:

Note:
CICS ONC RPC and TCP/IP for MVS CICS Sockets Version 2.2.1 cannot operate together from one CICS region to one TCP/IP for MVS region. You are advised to run CICS Sockets and CICS ONC RPC from different CICS regions.
Storage requirements

Except where otherwise noted, the storage used by CICS ONC RPC is obtained from CICS subpools.

When CICS ONC RPC is enabled, its storage requirements are as follows:

For each client request being processed the following storage is required:

Related concepts
ONC RPC concepts
Related tasks
CICS ONC RPC setup tasks
Defining CICS ONC RPC resources to CICS
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