Logical Unit 6.2. IN SNA, an LU that provides peer-to-peer communication between programs in a distributed computing environment. APPC runs on LU 6.2 devices. See also APPC.
An SNA LU type that defines the communication that can take place between two application programs on separate processors. LU 6.2 includes specifications for programmatic interfaces, document interchange, and data distribution.
Another name for APPC (IBM's peer-to-peer networking services provided by SNA networks).