(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 tpf operating system.

[IBM Dictionary of Computing, McGraw-Hill 1993].