5-4-3 Rule

What is the 5-4-3 Rule?

Definition and meaning of 5-4-3 Rule

The five-four-3 rule is a guiding principle used in the design of shared Ethernet Networks which promotes most desirable site visitors drift. This refers to the number of Repeaters and segments that ought to be gift on shared Ethernet Backbones Installation in a Tree Topology. The rule States that there should be a maximum of 5 segments which might be related with the aid of 4 repeaters, and only three of these segments can comprise lively senders/Terminals.

What Does 5-4-3 Rule Mean?

The Ethernet Protocol dictates that Records desPatched over the collision Domain have to attain each part on its route closer to its destination within a precise duration of time. However, each repeater and segment that the Signal passes through provides a positive aMount of time in the manner. The rule became created within the early days of the Ethernet when 10BASE5 and 10Base2 have been the most effective Ethernet types available, and shared get admission to backbones have been quite slow. The five-4-three rule turned into designed to reduce sign transmission time.

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