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Название: Data Communications and Networking with TCP/IP Protocol Suite, 6th Edition
Автор: Behrouz A. Forouzan
Издательство: McGraw-Hill Education
Год: 2022
Страниц: 861
Язык: английский
Формат: pdf (true), epub
Размер: 25.7 MB, 30.5 MB

Data Communications and Networking, 6th Edition, teaches the principles of networking using TCP/IP protocol suite. It employs a bottom-up approach where each layer in the TCP/IP protocol suite is built on the services provided by the layer below. This edition has undergone a major restructuring to reduce the number of chapters and focus on the organization of TCP/IP protocol suite. It concludes with three chapters that explore multimedia, network management, and cryptography/network security. Technologies related to data communications and networking are among the fastest growing in our culture today, and there is no better guide to this rapidly expanding field than Data Communications and Networking.

This book is designed to teach the principles of networking by using the TCP/IP protocol suite. Teaching these principles using protocol layering is beneficial because these principles are repeated and better understood in relation to each layer. For example, addressing is an issue that is applied to several layers of the TCP/IP protocol suite. Another example is framing and packetizing, which is repeated in several layers, but each layer treats the principle differently. This book uses a bottom-up approach. Each layer in the TCP/IP protocol suite is built on the services provided by the layer below. We learn how bits are moving at the physical layer (first layer) before learning how some programs exchange messages at the application layer (fifth layer).

Data communications and networking have changed the way we do business and the way we live. The largest computer network, the Internet, has billions of users in the world who use wired and wireless transmission media to connect small and large computers. Data communications and networking are not only used in business and personal communication but have found many political and social applications. People are able how to communicate with others all over the world to express their social and political opinions and problems. Communities are not isolated any more.

But before we ask how quickly we can get hooked up, we need to know how networks operate, what types of technologies are available, and which design best fills which set of needs. This chapter paves the way for the rest of the book. It is divided into six sections.

• The first section introduces data communications and defines its components and the types of data exchanged.
• The second section introduces networks and defines their criteria and structures.
• The third section discusses different types of networks: LANs, WANs, and internetworks (internets). It also introduces the Internet, the largest internet in the world.
• The fourth section introduces protocol layering and its principles.
• The fifth section introduces the TCP/IP protocol suite and gives a brief description of each layer.
• The sixth section gives a brief historical description of the OSI model and compares it with the TCP/IP protocol suite.

Contents:









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