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Interconnections: Bridges, Routers, Switches and Internetworking Protocols, Second Edition by Radia Perlman

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Chapter 1. Essential Networking Concepts

This chapter introduces concepts that are essential to understanding the specific subfield of computer networking that includes bridges and routers. It covers the OSI reference model, including layering and service models, because this model is a useful basis for some vocabulary. It also discusses various dimensions along which network designs can differ, such as scope, scalability, robustness, and autoconfigurability. Chapter 1 also describes the typical techniques involved in providing reliable two-party communication because some of the techniques used by routers can interact with techniques used by other layers.

Layers

Understanding, designing, and building a computer network would be too difficult a ...

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