Table of Contents

Introduction to Token Rings

A token ring network is a type of local area network, configured in either a ring or star topology, where a bit sequence called a token is used to grant write access to the network. Only the host(s) with a token is/are permitted to transmit data on the network. Control in a token ring network can either be centralized, where a central controller distributes the token(s) to hosts, or it can be decentralized, where hosts pass the token(s) between themselves. In both cases, tokens are typically distributed and passed in a circular and cyclic fashion.

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