llc

from The Free On-line Dictionary of Computing (8 July 2008)

Logical Link Control
LLC

   <networking> (LLC) The upper portion of the {data link layer},
   as defined in {IEEE 802.2}.  The LLC sublayer presents a
   uniform interface to the user of the data link service, usually
   the {network layer}.  Beneath the LLC sublayer is the {Media
   Access Control} (MAC) sublayer.

   (1995-02-14)