Question

Explain Circuit Switching?​

Answer 1

Explanation:

Circuit switching is a method of implementing a telecommunications network in which two network nodes establish a dedicated communications channel (circuit) through the network before the nodes may communicate. ... The circuit functions as if the nodes were physically connected as with an electrical circuit.

Answer 2

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Basic Concept:

→ A dedicated communication path is established between two stations.

→ The path follows a fixed sequence of intermediate links.

→ A logical channel gets defined on each physical link.

Steps required for Communication:

(a). Connection Establishment

→ Required before data transmission

(b). Data Transfer

→ It can proceed at maximum speed

(c). Connection Termination

→ Required after data transmission is over.

→ For deallocation of network resources.

Drawbacks:

→ Channels capacity is dedicated during the entire duration of communication.

♦ Acceptable for voice communication.

♦ Very insufficient insufficient for bursty traffic like data.

→ There is an initial delay

♦ For connection establishment.