protocol data unit (PDU)


protocol data unit (PDU): 1. Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data. 2. In layered systems, a unit of data that is specified in a protocol of a given layer and that consists of protocol-control information of the given layer and possibly user data of that layer.


This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996