(LU6.2) A type of logical unit thAT governs peer-to-peer SNA communicATions. LU6.2 supports general communicATion between programs in a distributed processing environment. LU6.2 is characterised by a peer relATionship between session partners, efficient use of a session for multiple transactions, comprehensive end-to-end error processing and a generic applicATion program interface consisting of structured verbs thAT are mapped into a product inplementATion. LU6.2 is used by IBM' s TPFoperATing system. [IBM Dictionary of Computing, McGraw-Hill 1993]. (1996-08-26)