packet switching service

См. также в других словарях:

• Packet switching — is a digital networking communications method that groups all transmitted data – regardless of content, type, or structure – into suitably sized blocks, called packets. Packet switching features delivery of variable bit rate data streams… …   Wikipedia

• General Packet Radio Service — (GPRS) is a packet oriented mobile data service on the 2G and 3G cellular communication system s global system for mobile communications (GSM). GPRS was originally standardized by European Telecommunications Standards Institute (ETSI) in response …   Wikipedia

• Packet switched network — A Packet Switched Network, or PSN, refers to the packet switched networks that existed before the Internet. The history of such networks can be divided into three eras:early networks before the introduction of X.25 and OSI,the X.25 era when many… …   Wikipedia

• Packet Switch Stream — In the UK, PSS, was an X.25 based packet switched network, provided by the British Post Office Telecommunications and then British Telecom from 1980, onwards. After a period of pre operational testing with customers (mainly UK Universities and… …   Wikipedia

• Packet (information technology) — In information technology, a packet is a formatted unit of data carried by a packet mode computer network. Computer communications links that do not support packets, such as traditional point to point telecommunications links, simply transmit… …   Wikipedia

• Packet switch — A packet switch is a node used to build a network which utilizes the packet switching paradigm for data communication. Packet switches can operate at a number of different levels in a protocol suite; although the exact technical details differ,… …   Wikipedia

• Packet Assembler/Disassembler — A packet assembler/disassembler, abbreviated PAD is a communications device which provides multiple asynchronous terminal connectivity to an X.25 (packet switching) network or host computer. It collects data from a group of terminals and places… …   Wikipedia

• Switching center — A switching center is a node in a telecommunications Circuit switching network which is connected to either another switching center and/or to end user devices. Switching centers are aware of other centers and possible routes between them such… …   Wikipedia

• packet —    Any block of data sent over a network or communications link.    Each packet may contain sender, receiver, and error control information, in addition to the actual message, which may be data, connection management controls, or a request for a… …   Dictionary of networking

• Multiprotocol Label Switching — MPLS redirects here. For other uses, see Mpls. MPLS Layer Multiprotocol Label Switching (MPLS) is a mechanism in high performance telecommunications networks that directs data from one network node to the next based on short path labels rather… …   Wikipedia

• Circuit switching — is a methodology of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate. The circuit guarantees the full bandwidth of the …   Wikipedia