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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.
Definition. Network cabling scheme in which one cable sequentially connects all nodes and forms a closed loop. A data packet starting from the originating node is examined by the next active node if it is addressed to that node. If it does, it is copied, otherwise it is regenerated and passed on to the next node until it reaches back the originating node and is discarded. The ability to regenerate data packets allows a ring topology to span far greater distance than bus or star topologies.