Many fundamental changes have occurred in the past few years in the field of data communications and networking that will shape the future for decades to come. Internet and WWWhaveexplodedintothe business world. With these LAN.

WAN. and MAN technologies and the integration of voice and data communication are moving rapidly. This book satisfies both the students and professionals working on data communication and networking. The structure of this book is such that each chapter introduces. describes. and summarizes fundamental concepts and apps. Moreover you find many mgmt and technical boxes. which highlight key issues and technical details. The author tries to cover many detailed descrip- tions of the techni¬cal aspects of com¬munications along with illustrations where appropri¬ate. As this is the eighth edition many new technologies. apps. instances. and general updates are provided in various chapters.

This book is divided into five parts: first two comprise of intro and fundamentals of various layers like Ap¬plication. Physical, Data Link. Network. Transport. Third and fourth parts are on Network Technologies and Network Mgmt. respectively. These talk of LAN. WAN. MAN and how to take care of its backbone and efficiently manage the network.