Details: Explain the concepts of congestion and quality of service in data networks, and what technologies exist to help deal with these.
Objective: Compare circuit switching and packet switching.
Discuss the characteristics of Internet, wireless, and local area networks.
In the world of data communications, congestion is a term which refers to the occurrence of too much data on a network link or node, thus affecting the quality of service in a negative way. When congestion happens, there is a delay in queuing and potential loss of data packets. Also, blocking of new network connection may occur when the network is congested. Congestion collapse is a condition that occurs during network congestion, and what happens during this condition is that there is a very little or no communication in the ...
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