The sixth edition of Computer and Data Communications provides a clear and understandable overview of the field of data communications and serves as an educational text on the latest developments in networking technologies and protocols.

The book has been regarded as the standard in the field for the past 15 years. This revised edition continues to address the needs of students, academics, and professionals by emphasizing the fundamental principles as well as the critical role of the performance of key protocols and network design techniques.

This new edition offers a comprehensive and detailed examination of the critical technical areas in data communication, wide area networks, local area networks, and protocol design.