Bus collision avoidance protocol

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Reference no: EM1321671

Before effective Ethernet switching existed, some network designers are used an alternative bus collision avoidance protocol termed as the token bus protocol. With the token bus protocol, a ‘‘token’’ made up of the short, standard string of 1s and 0s was circulated consistently in the round robin fashion among Network Interface Units (NIUs) attached to the bus. NIUs did not hold token; they simply passed it without any delay to the next NIU in the chain. An NIU was only enabled to keep the message on bus when it possessed the token. After message was delivered, the token was again placed into the circulation. No NIU was allowed to utilize the token again until token had circulated to every other NIU at least once.

a) Explain under what conditions should this protocol carry out more satisfactorily in comparison to the CSMA/CD? Describe.

Reference no: EM1321671

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