Definitions for "Protocol Data Unit"
"PDU" is internationalstandardscomitteespeak for packet. See also: packet. [Source: RFC1392
(PDU) (n.) The ISO/OSI term for packet. A PDU is a data object that is exchanged by protocol machines (entities) within a particular layer. A protocol data unit consists of both protocol control information (PCI) and user data.
"PDU" is "international standards comittee speak" for packet. See also: packet.
See also Distributed Interactive Simulation.
A unit of information (i.e., a Z39.50 message) defined in the protocol specifications that is exchanged by the Z–client and Z–server.