This open textbook aims to fill the gap between the open-source implementations and the open-source network specifications by providing a detailed but pedagogical description of the key principles that guide the operation of the Internet
1 Preface -- 2 Introduction -- 2.1 Services and protocols -- 2.2 The reference models -- 2.3 Organisation of the book -- 3 The application Layer -- 3.1 Principles -- 3.2 Application-level protocols -- 3.3 Writing simple networked applications -- 3.4 Summary -- 3.5 Exercises -- 4 The transport layer -- 4.1 Principles of a reliable transport protocol -- 4.2 The User Datagram Protocol -- 4.3 The Transmission Control Protocol -- 4.4 Summary -- 4.5 Exercises -- 5 The network layer -- 5.1 Principles -- 5.2 Internet Protocol -- 5.3 Routing in IP networks -- 5.4 Summary -- 5.5 Exercises -- 6 The datalink layer and the Local Area Networks -- 6.1 Principles -- 6.2 Medium Access Control -- 6.3 Datalink layer technologies -- 6.4 Summary -- 6.5 Exercises -- 7 Glossary -- 8 Bibliography -- 9 Indices and tables
