Defining the CSCC and CIEO transient data queues

Messages relating to APPC-connected Clients are written to the CSCC transient data queue. If you use APPC-connected Clients, you must define CSCC to CICS®. There is a sample definition in the supplied resource definition group, DFHDCTG. The sample defines CSCC as an indirect extrapartition destination, pointing to CSSL.

Messages relating to Clients connected to CICS by native TCP/IP are written to the CIEO transient data queue. If your Clients use ECI over TCP/IP (see Using ECI over TCP/IP), you must define CIEO to CICS. There is a sample definition in the DFHDCTG resource group. The sample defines CIEO as an indirect extrapartition destination, pointing to CSSL.

Start of changeThe DFHDCTG resource definition group is included in the default CICS startup group list, DFHLIST.End of change

For further information about transient data queues, see your CICS on System/390® Resource Definition Guide.

Related tasks
Installing the DFHCLNT and DFHIPECI resource groups
Installing connections to Clients
Installing Client virtual terminals
Defining a Client-attached printer
Setting up security
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