MSDU
Encyclopedia
MAC service data unit or MSDU stands for MAC Service Data Unit
.
The MSDU is the service data unit
that is received from the logical link control
(LLC) sub-layer which lies above the medium access control (MAC) sub-layer in a protocol stack
. The LLC and MAC sub-layers are collectively referred to as the DLL
.
Service Data Unit
In Open Systems Interconnection terminology, a service data unit is a unit of data that has been passed down from an OSI layer to a lower layer and that has not yet been encapsulated into a protocol data unit by the lower layer...
.
The MSDU is the service data unit
Service Data Unit
In Open Systems Interconnection terminology, a service data unit is a unit of data that has been passed down from an OSI layer to a lower layer and that has not yet been encapsulated into a protocol data unit by the lower layer...
that is received from the logical link control
Logical Link Control
The logical link control data communication protocol layer is the upper sub-layer of the data link layer in the seven-layer OSI reference model...
(LLC) sub-layer which lies above the medium access control (MAC) sub-layer in a protocol stack
Protocol stack
The protocol stack is an implementation of a computer networking protocol suite. The terms are often used interchangeably. Strictly speaking, the suite is the definition of the protocols, and the stack is the software implementation of them....
. The LLC and MAC sub-layers are collectively referred to as the DLL
Data link layer
The data link layer is layer 2 of the seven-layer OSI model of computer networking. It corresponds to, or is part of the link layer of the TCP/IP reference model....
.