This standard is part of a family of standards for local area network (LANS) and metropolitan area networks (MANS) that deals with the physical and data link layers as defined by the ISO Open Systems Interconnection Reference Model. The functions, features, protocol, and services of the Logical Link Control (LLC) sublayer, which constitutes the top sublayer in the data link layer of the ISO/IEO 8802 Local Area Network Protocol, are described ...