Logical Link Control (LLC)
LLC protocol data units (PDUs) contain addressing information that consists of two fields; the Destination Service Access Point (DSAP) address field, and the Source Service Access Point (SSAP) address field. Each of these is an 8-bit field and made up of two components.
An individual actual address values does not necessarily have any relationship with group address of the same actual address.
|Logical Link Control||N/A||N/A|
|*IEEE does not accept requests for applicant-specified identifiers.|
The terms, namely; address type designation bit, command/response identifier bit and actual address are defined in ISO/IEC 8802-2. See ISO/IEC 8802-2 clause 188.8.131.52 items (2), (3), and (4). The format of LLC addresses is defined in ISO/IEC 8802-2. For more information refer to Annex A in the 11802-1 technical report.