In telecommunications, a protocol data unit (PDU) is a single unit of information transmitted among peer entities of a computer network. It is composed of protocol-specific control information and user data.

Jul 23, 2025 · Along with the data, it contains protocol-specific control information. Each layer will add (or delete) its protocol information as a PDU moves down (or up) each layer.

Feb 18, 2025 · A protocol data unit (PDU) is the basic unit of exchange between entities that communicate with a specified networking protocol. It's important for network professionals to use the …

Definition: A Protocol Data Unit (PDU) is a unit of data specified in a protocol of a given layer in the OSI (Open Systems Interconnection) or TCP/IP model. A PDU contains control information and user data.

A Protocol Data Unit (PDU) is the structured unit of data used in network communication. It defines how information is packaged for transmission between devices.

Nov 27, 2025 · What Is a Protocol Data Unit (PDU)? A Protocol Data Unit (PDU) is a block of data formatted for transmission across a network. The PDU meaning varies depending on the network …

PDU stands for Protocol Data Unit. It's a term used in networking and telecommunications to refer to the data unit that's transmitted between network entities. Essentially, it's the package of information that …

What does Protocol Data Unit mean? A Protocol Data Unit (PDU) is a discrete, self-contained packet of data that is transmitted and received by network devices within a specific communication protocol.

Feb 14, 2025 · What is a Protocol Data Unit (PDU)? A Protocol Data Unit (PDU) is a specific unit of data that is transmitted over a network. PDUs are structured according to the rules and protocols of the …

To exchange its state information with the peer, the protocol uses Protocol Data Units (PDUs). A PDU is essentially a block of information, which may be referred to by various names (e.g., frame, packet, …