The general facility that characterizes the LU 6.2 architecture and its various implementations in products.
Programmatic communication based on IBM's LU 6.2 architecture. APPC provides partner programs with a common set of rules for communication.
An implementation of the SNA/SDLC LU 6.2 protocol that allows interconnected systems to communicate and share the processing of programs. The Client daemon uses APPC to communicate with CICS server systems.