Source : Free On-Line Dictionary of Computing

Logical Unit 6.2
     
         (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].
     
        (1996-08-26)