Preface
Why write this book?
Data communication networks are widely used today and are an integral part of our daily life. The Internet is a medium for business, personal, and government communication, and it is difficult to envision today's society without this essential infrastructure. The continued success of the Internet is dependent on our ability to maintain and improve the functionality, performance, and scalability of these networks. As a basis for obtaining the necessary knowledge about networks, there is a clear need for textbooks that provide an introduction to the foundations of this topic as well as a detailed understanding of more advanced issues.
While many available books cover the design of network protocols and their operation, ...

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