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Token bus

Token bus is token ring over a virtual ring on a coaxial cable. A token is passed around the network nodes and only the node possessing the token may transmit. If a node doesn't have anything to send, the token is passed on to the next node on the virtual ring. Each node must know the address of its neigbour in the ring, so a special protocol is needed to notify the other nodes of connections to, and disconnections from, the ring.



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