Communication Networks and Switching

The book contains: 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. Computer controlled switching systems: Introduction, Call processing, signal exchange diagram, state transition diagram, hardware configuration, switching system software organization, software classification and interfacing, Maintenance software, call processing software, Administration software, Electronic Exchanges in India. 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.