GDL

Communication Networks

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

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