Local-Area Networks (LANs)
The topology of the LAN is determined by the technology. (For example, a ring topology is implemented by Token Ring or FDDI, and a star or tree topology is implemented by Ethernet.)
Token Ring
Token Ringis a technology developed by IBM and standardized by the Institute of Electrical and Electronics Engineers (IEEE) 802.5 committee for implementation in a LAN environment. Token Ring uses a special frame, called a token, to designate the authoritative speaker for that LAN segment. This technology can connect up to 255 nodes in a physical star or ring connection that can sustain 4 or 16 Mbps. Each node on a Token Ring LAN connects to a central wiring hub called the multistation access unit (MAU) using a twisted wire cable, ...
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