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Circuit switching

Overview#

Circuit switching is a method of implementing a telecommunications network in which two Network devices establish a dedicated communications channel (circuit) through the network before the Network devices may communicate.

The circuit guarantees the full bandwidth of the channel and remains connected only for the duration of the communication session.

The best example of a Circuit switching network is the early analog telephone network. When a call is made from one telephone to another, switches within the telephone exchanges create a continuous wire circuit between the two telephones, only for as long as the call lasts.

Circuit switching Communications a route and its associated bandwidth is reserved from source to destination, making Circuit switching relatively inefficient since capacity is reserved whether or not the connection is in continuous use.

Circuit switching has are 3 phases:

More Information#

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