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user datagram protocol

   Also found in: Acronyms, Wikipedia, Hutchinson 0.03 sec.

User Datagram Protocol

See UDP.

user datagram protocol [‚yüz·ər ′dad·ə‚gram ‚prōd·ə‚kȯl]
(communications)
A communications protocol providing a direct way to send and receive datagrams over an IP network but with few error recovery resources, used mainly for broadcasting over a network, for example, with streaming media.
(protocol)User Datagram Protocol - (UDP) Internet standard network layer, transport layer and session layer protocols which provide simple but unreliable datagram services. UDP is defined in STD 6, RFC 768. It adds a checksum and additional process-to-process addressing information UDP is a connectionless protocol which, like TCP, is layered on top of IP.

UDP neither guarantees delivery nor does it require a connection. As a result it is lightweight and efficient, but all error processing and retransmission must be taken care of by the application program.

Unix manual page: udp(4).

[Postel, Jon, User Datagram Protocol, RFC 768, Network Information Center, SRI International, Menlo Park, Calif., August 1980].


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? Mentioned in ? References in periodicals archive
 
This gateway applies security mechanisms when a TCP or user datagram protocol (UDP) connection is established.
Advanced Distributed Learning by Manning, Lari / DISAM Journal
A new message segmentation package is also available, which greatly simplifies the transmission of large packets over transports that do not support message segmentation such as the commonly used User Datagram Protocol (UDP).
Data Connection Enhances DC-Megaco/H.248 Solution by Business Wire
User datagram protocol (UDP) is another option for layer 4 transport.
Network emulation tools in IP networks: test system infrastructure ... by Morrison, Garth / Computer Technology Review
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