Network topology is the arrangement of the various elements (links, nodes, etc.) of a computer network. Essentially, it is the topological structure of a network and may be depicted physically or logically.
Types of Network Topology
Bus Topology
- There is a single central cable (backbone) and all computers and other devices connect to it
- A lot number of nodes when extending network
- Easy to add and remove nodes
- Difficult to troubleshooting
- Network still can run if node fail
- Network still can if host fail
- No connection between nodes
- Host existence depends on network needs
Ring topology
- All computers and other devices are connected in a circle
- Limited number of nodes when extending network
- Difficult to add and remove nodes
- Depends on backbone. If there is a backbone problem, troubleshooting is difficult. If there is no backbone problem, the focus is on the two nodes not communicating
- Network will fail if node fail
- Network will fail if host fail
- Have connection between nodes
- Host existence depends on network needs
Star topology
- There is a central host and all nodes connect to it
- Limited number of nodes when extending network
- Average to add and remove nodes
- There is a central host and all nodes connect to it
- Network still can run if node fail
- Network will fail if host fail
- No connection between nodes
- Have host existance
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