The second edition of Communication Networks is designed for junior level engineering and computer science students with no prior knowledge of communication theory and computer networks. It is self-contained and fuses together descriptions of concrete networks with a conceptual understanding of the subject to further student understanding.

Jean Walrand是美国加州大学伯克利分校电子工程和计算机科学系的教授，他是兰切斯特奖的得主，贝尔盖恩美国教育基金会及IEEE的会员。他主要的研究领域包括随机处理机、排队理论、通信网络和控制系统。在其研究领域中多有论著问世。

1 Introduction
2 The Way Networks Work
3 Internet
4 Local Area Networks
5 Asynchronous Transfer Mode
6 Data Link Layer and Retransmission Protocols
7 Physical Layer
8 Security
9 Compression
10 Performance Evaluation and Monitoring