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Difference Between Circuit Switching Network And Packet Switching Network

Circuit switching and packet switching both are methods of implementing communication channels between nodes in a network. However, there are differences in the communication approach.

Circuit Switching Packet Switching
In circuit switching, a dedicated communication channel is established. In packet switching, transmitted data is grouped into suitably sized blocks, called packets, that are transmitted via a medium that may be shared by multiple simultaneous communication sessions.
A physical communication path is established for the entire session of conversation. Route is established for each packet.
It has fixed bandwith. It has dynamic bandwidth.
No overhead bits after call setup. Overhead bits are present in each packet.

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