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Computer and Communication Networks by Nader F. Mir

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Chapter 13. Networks in Switch Fabrics

A switch fabric is the core switching engine in switching devices as routers. Chapter 3 presented an overview of switching devices. This chapter analyzes this core segment of such devices and introduces several topologies for switching networks.

This chapter explores the following topics:

Characteristics and features of switch fabrics

Crossbar switch fabrics

Blocking switch fabrics

Nonblocking switch fabrics

Concentration and expansion switches

Shared-memory switch fabrics

Techniques for improving performance

Case study multipath buffered crossbar

We begin by classifying characteristics of switching networks and presenting features and definitions of switch fabrics. Crossbar switches are ...

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