Download Communication Networks by Sharam Hekmat, This book is concerned with post-computer communication networks and 2 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 worldwide phone system. The variations between these 2 streams are mainly due to historical reasons. Telecommunication is increasingly counting on computer technology, and data communication is relying more than ever on telecommunication networks. the 2 streams are speedily converging.


The Physical Layer

The Data Link Layer

The Network Layer

The Transport Layer

The Session Layer

The Presentation Layer

The Application Layer

Local Area Networks

Telephone Networks

Integrated Services Digital Network

Broadband ISDN and ATM

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