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...

The Transaction Protocol Data Unit (TPDU) is a packet-based protocol originally designed for financial transaction processing over an X.25 network. TPDU...

constantly communicate with their neighbors in the LAN using § Bridge protocol data units (BPDUs).: 388  Provided there is more than one link between two switches...

In the context of smart cards, an application protocol data unit (APDU) is the communication unit between a smart card reader and a smart card. The structure...

The data link layer, or layer 2, is the second layer of the seven-layer OSI model of computer networking. This layer is the protocol layer that transfers...

layer. This unit of data (SDU) has not yet been encapsulated into a protocol data unit (PDU) by the lower layer. That SDU is then encapsulated into the lower...

computer networking, the maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single network...

computer-networking process for receiving information; it removes from the protocol data unit (PDU) a previously concatenated header or trailer that an underlying...

Modbus or MODBUS is a client/server data communications protocol in the application layer. It was originally designed for use with programmable logic controllers...

considerably faster protocol PROFIBUS DP (Decentralised Peripherals) was completed. Profibus FMS is used for (non-deterministic) communication of data between Profibus...

frame is a data link layer protocol data unit and uses the underlying Ethernet physical layer transport mechanisms. In other words, a data unit on an Ethernet...

notifications are sent to port 10162. SNMPv1 specifies five core protocol data units (PDUs). Two other PDUs, GetBulkRequest and InformRequest were added...

packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information and user data; the latter is also known...

fragmentation attack Protocol data unit and Service data unit Segmentation and reassembly – Arranging data into cells in an ATM network Internet Protocol, Information...

aggregation: MAC service data unit (MSDU) aggregation and MAC protocol data unit (MPDU) aggregation. Both types group several data frames into one large...

(VLAN) throughout a bridged local area network. MSTP uses bridge protocol data unit (BPDUs) to exchange information between spanning-tree compatible devices...

of the protocol. Bitstrings longer than the maximum transmission unit (MTU) are divided in pieces of appropriate size. Address formats for data exchange...

Control Protocol Data Unit (MPDU) comprises five sections. The first is the MAC header which contains the destination and source address of the data packet...

a frame is the protocol data unit at the data link layer. Frames are the result of the final layer of encapsulation before the data is transmitted over...

Service Data Unit (MSDU)". Access Agility. Retrieved 2024-03-12. 802.11 Wireless LAN IEEE standard Protocol Data Unit (PDU) / Service Data Unit (SDU) v...

or avoiding detection. Protocol data unit – Unit of information transmitted over a computer network Service data unit – Data passed down to a lower layer...

allows transparent communication through equivalent exchange of protocol data units (PDUs) between two parties, through what is known as peer-to-peer...

formatted messages, known as protocol data units (PDUs) and exchanged between hosts using existing transport layer protocols, including multicast, though...

defined a standard for transmission of the Internet Protocol (which would be the protocol data unit in this case) over FDDI. It was first proposed in June...

CRLF, but including the upper-layer protocol headers. Each $ block contains exactly one upper-layer protocol data unit, e.g., one RTP packet. C->S: SETUP...

refers to the TCP protocol data unit (PDU), datagram to the IP PDU, and frame to the data link layer PDU: Processes transmit data by calling on the TCP...

transmission to another node on the same data link. The resulting packet is generally referred to as LLC protocol data unit (PDU) and the additional information...

In computer networking, Point-to-Point Protocol (PPP) is a data link layer (layer 2) communication protocol between two routers directly without any host...

Each Frame Relay protocol data unit (PDU) consists of the following fields: Flag Field. The flag is used to perform high-level data link synchronization...

data unit (SDU); typically a packet) from one layer of a network into multiple smaller payloads that can fit within the lower layer's protocol data unit...