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Computer Networks, 5th Edition by Bruce S. Davie, Larry L. Peterson

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3.1. B978012385059100003X/u03-01-9780123850591.jpg is missingSwitching and Bridging

In the simplest terms, a switch is a mechanism that allows us to interconnect links to form a larger network. A switch is a multi-input, multi-output device that transfers packets from an input to one or more outputs. Thus, a switch adds the star topology (see Figure 3.1 ) to the point-to-point link, bus (Ethernet), and ring topologies established in the last chapter. A star topology has several attractive properties:
■ Even though a switch has a fixed number of inputs and outputs, which limits the number of hosts that can be connected to a single switch, large networks can be built by interconnecting a number of ...

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