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Saturday, 19 September 2015

Advantages and Disadvantages of Different Network Topologies

bus topology

ring topology

Network topologies describe the ways in which the elements of a network are connected.

They describe the physical and logical arrangement of network nodes

Advantages and Disadvantages of...
Bus Topology
Ring Topology
Mesh Topology
Star Topology
Tree Topology
Hybrid Topology

Bus topology
▸ The data being transmitted between two nodes passes through all the intermediate nodes. A central server is not required for the management of this topology.
▸ The traffic is unidirectional and the data transmission is high-speed.
▸ In comparison to a bus, a ring is better at handling load.
▸ The adding or removing of network nodes is easy, as the process requires changing only two connections.
▸ The configuration makes it easy to identify faults in network nodes.
▸ In this topology, each node has the opportunity to transmit data. Thus, it is a very organized network topology.
▸ It is less costly than a star topology.

▸ The failure of a single node in the network can cause the entire network to fail.
▸ The movement or changes made to network nodes affect the entire network's performance.
▸ Data sent from one node to another has to pass through all the intermediate nodes. This makes the transmission slower in comparison to that in a star topology. The transmission speed drops with an increase in the number of nodes.
▸ There is heavy dependency on the wire connecting the network nodes in the ring.
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