Logical Unit 6.2
<networking> (LU6.2) A type of logical unit
that governs peer-to-peer SNA
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].