Computer Network by Rachna Sharma

This book 'Computer Network' has been designed in a very simple manner covering most concepts of the Networking, with respect to the current IT world scenario. Using a simple presentation style and easy language, the book concentrates on Network, Transport and Application Layers, with additional stress on Network Security concepts.
A cursory glance would be enough for the reader to find detailed coverage of major topics, which provide the reader with in-depth knowledge of all the important concepts, described as under.
The book begins with basic concepts covering Introduction to OSI and TCP/IP model and simple networking concepts like LAN, MAN and WAN.
The second module concentrates fully on Network Layer, wherein Routing algorithms and Congestion Control algorithms are explained in a lucid manner.
Going beyond Networks, Network of Networks is well explained in the internetworking module. Various protocols, including IPv4, and IPv6 are explained in detail.
Services to the user i.e. Application Layer, protocols, E-mail, etc are covered in the next module dedicated entirely to the Application Layer.
Concepts of Information Protection; i.e. Network Security, is well explained by using simple examples.