2.1.2 ATMI Client Asynchronous Request/Response to CICS/ESA DPL

Figure 2-2 DMCONFIG File Entry

1. ATMI client invokes toupsrv service.
2. The toupsrv service issues tpacall for SIMPDPL, which is advertised in the DM_REMOTE_SERVICES section of DMCONFIG file.
3. Host mirror transaction starts TOUPDPLS program and passes idata buffer contents for processing.
4. The TOUPDPLS program processes data.
5. The CICS/ESA system returns the commarea into the client’s tpgetreply odata buffer.