Computer and Communication Networks

Preface

This textbook represents more than a decade of work. During this time, some material became obsolete and had to be deleted. In my days as a telecommunication engineer and a university professor, much has changed in the fields of data communications and computer networks. Nonetheless, this text covers both the foundations and the latest advanced topics of computer networking.

The Internet is a revolutionary communication vehicle by which we all conveniently communicate every day and do business with one another. Because of its complexities at both hardware and software levels, the Internet is a challenge to those who want to study this field. The growing number and variety of communication services offer obvious challenges for computer ...