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6.5: Selecting a Topology

Selecting a Topology

There are many factors to consider when deciding which topology best suits the needs of an organization. Below table provides some guidelines for selecting a topology.

Topology

Advantages

Disadvantages

Bus

Use of cable is economical.

Media is inexpensive and easy to work with.

System is simple and reliable.

Bus is easy to extend.

Network can slow down in heavy traffic.

Problems are difficult to isolate.  

Cable break can affect many users.

Ring

System provides equal access for all computers.

Performance is even despite many users.

Failure of one computer can impact the rest of the network.

Problems are hard to isolate.

Network reconfiguration disrupts operation.

Star

Modifying system and adding new computers is easy.

Centralized monitoring and management are possible.

Failure of one computer does not affect the rest of the network.

If the centralized point fails, the network fails.

Mesh

System provides increased redundancy and reliability as well as ease of troubleshooting.

System is expensive to install because it uses a lot of cabling. 

 

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