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packet switching. n. A method of data transmission in which data is broken into small blocks that are transmitted over different channels and are reassembled into their original order at their destination.
Switching as a General Concept in Networking and Telecommunications (1.2.1.1) The concept of switching and forwarding frames is universal in networking and telecommunications. Various types of switches are used in LANs, WANs, and the public switched telephone network (PSTN). The fundamental concept of switching refers to a device making a decision based on two criteria: Ingress port.