This topic describes the layer of CICS® that manages the interface to VTAM® for LU6.2 communication. VTAM LU6.2 provides advanced program-to-program communication (APPC) between transaction-processing systems, and enables device-level products (APPC terminals) to communicate with host-level products and with each other. APPC sessions can therefore be used for CICS-to-CICS communication, and for communication between CICS and other APPC systems (for example, AS/400®) or terminals.
For information about the CICS functions that you can use to exploit LU6.2 communication, see Distributed program link, Distributed transaction processing, Function shipping, Intersystem communication (ISC), Transaction routing.
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