What is the difference between Circuit Switching and Packet Switching?

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  • Nov 12th, 2007

Circuit switching is the transmission technology that has been used since the first communication networks in the nineteenth century. In circuit switching, a caller must first establish a connection to a callee before any communication is possible. During the connection establishment, resources are allocated between the caller and the callee.

packet switching is a more recent technology than circuit switching which addresses a disadvantage of circuit switching: the need to allocate resources for a circuit, thus incurring link capacity wastes when no data flows on a circuit. Packet switching introduces the idea of cutting data on a flow into packets which are transmitted over a network without any resource being allocated.

jiya bhatia

  • Jan 26th, 2010

Circuit switching is a transmission technique which is connection oriented. Connection has to be established before the actual data transmission takes place. While packet switching is connection less. The data is transmitted in the form packets one after other.

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