COMMUNICATION NETWORKS AND SWITCHING

Overview of switching systems Electronic switching and stored program control systems Centralized SPC Availability Distributed SPC Enhanced services Digital switching: time switching space switching time and space switches Switching techniques: Circuit Switching Message and Packet Switching.  Traffic engineering: Traffic pattern Grade of Service and blocking probability modeling of switching systems: Markov Process Birth-Death Process. Telephone network organization: Network management Network services various networking plans types of networks Routing plan International numbering plan National numbering plan Numbering plan in India Signaling: in channel signaling common channel signaling.