Residing in the TRS library, a Transaction Router Service provides access to DB2 UDB data and supports Mainframe Connect Server Options mainframe applications, defined to TRS as remote procedure calls (RPCs).
TRS routes requests from remote LAN-based clients to Mainframe Connect Server Option transactions. In addition, it can route requests to the Mainframe Connect DB2 UDB Option and return results to the client.
As shown in Figure 1-1, there are two TRS service libraries residing on the DirectConnect server:
TRSLU62 service library, which contains access services that use the LU 6.2 communications protocol to talk to Mainframe Connect or any Mainframe Connect Server Option application running in CICS
TRSTCP service library, which contain TRS access services that use the Transmission Control Protocol/Internet Protocol (TCP/IP) communications protocol to talk to the Mainframe Connect DB2 UDB Options or any Mainframe Connect Server Option application running in CICS
Having multiple instances of a TRS library on a server results in different physical copies of the shared library files that constitute the TRS component.
Security can also be configured on a transaction or user basis.
