CommNetwork.pdf

This book is concerned with post-computer communication networks and two of its
important streams: data communication and telecommunication. Data communication
refers to the communication between digital computers, facilitated by computer
networks. Telecommunication refers to the primarily human-to-human
communication facilitated by the global telephone system. The differences between
these two streams are mainly due to historical reasons. Telecommunication is
increasingly relying on digital computer technology, and data communication is relying
more than ever on telecommunication networks. The two streams are rapidly
converging