TRS enables Sybase clients running on workstations and sharing a local area network (LAN) to access mainframe data and applications. The TRS listener waits for and accepts client requests and routes them to the mainframe, using transaction and connection information the DirectConnect for z/OS Option administrator provides during configuration.
TRS treats all client requests like remote procedure calls (RPCs). TRS maps each request to a specific mainframe transaction. On receiving a client request, TRS invokes the corresponding mainframe transaction. The CICS transaction processor runs the transaction and returns results to TRS, which forwards the results to the requesting client.
For details, see the Mainframe Connect DirectConnect for z/OS Option User's Guide for Transaction Router Services.
The mainframe and TRS configuration parameters must be coordinated to permit communication with one another. When configuring a mainframe region to communicate with TRS, coordinate the following mainframe configuration values with TRS:
For CICS Logical Unit 6.2 (LU 6.2):
CICS connection and session definitions
Virtual Telecommunications Access Method (SNA)
Network Control Program (NCP)
SNA, using your TRS platform SNA support program
For CICS TCP/IP:
TCP/IP for z/OS port definitions
Sybase listener configuration values
The configuration values are provided in the Mainframe
Connect DirectConnect for z/OS Option User's
Guide for Transaction Router Services.
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