MPDU
Encyclopedia
MAC protocol data unit or MPDU is a message (Protocol data unit
) exchanged between MAC entities in a communication system based on the layered OSI model
.
In systems where the MPDU may be larger than the MAC service data unit (MSDU), the MPDU may include multiple MSDUs as a result of packet aggregation
. In systems where the MPDU is smaller than the MSDU, then one MSDU may generate multiple MPDUs as a result of packet segmentation
.
Protocol data unit
In telecommunications, the term protocol data unit has the following meanings:#Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data....
) exchanged between MAC entities in a communication system based on the layered OSI model
OSI model
The Open Systems Interconnection model is a product of the Open Systems Interconnection effort at the International Organization for Standardization. It is a prescription of characterizing and standardizing the functions of a communications system in terms of abstraction layers. Similar...
.
In systems where the MPDU may be larger than the MAC service data unit (MSDU), the MPDU may include multiple MSDUs as a result of packet aggregation
Packet aggregation
In a packet-based communications network, packet aggregation is the process of joining multiple packets together into a single transmission unit, in order to reduce the overhead associated with each transmission....
. In systems where the MPDU is smaller than the MSDU, then one MSDU may generate multiple MPDUs as a result of packet segmentation
Packet segmentation
In a data communications networks, packet segmentation is the process of dividing a data packet into smaller units for transmission over the network...
.