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  • Topic: Packet switching, Computer networking, X.25
  • Pages : 4 (948 words )
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  • Published : April 15, 2013
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SUDAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
COLLEGE OF COMPUTER SCIENCE AND IT

Master of computer science 2013 - group(B)

ADVANCED NETWORKS COURSE

Assignment (1)
* Packet switching
* Circuit switching
* Virtual Circuit switching
* Message switching

BY: JIHAD MOHAMMED SIDDIG
27/2/2013

Packet switching in networks
Packet switching is used to optimize the use of the channel capacity available in digital telecommunication networks such as computer networks, to minimize the transmission latency (the time it takes for data to pass across the network), and to increase robustness of communication

Circuit switching in networks
is a methodology 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 guarantees the full bandwidth of the channel and remains connected for the duration of the communication session. The circuit functions as if the nodes were physically connected as with an electrical circuit. The defining example of a circuit-switched 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, for as long as the call lasts Difference between circuit switching and packet switching?

Circuit Switching:| Packet Switching:|

1.) In circuit switching, there are various nodes used in the network through which the signals are passed from one system to another. 2.) In this a number of nodes are available between two devices and hence multiple paths are available to pass a signal. 3.) This concept is mainly used in telephony systems.

4.) This is best used for transmission of audio signals and not suitable for data transmission. 5.) This type of switching is connection oriented and may be connectionless also. 6.) Due to its old version, this technique...
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