14. Network Hardware

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Whether it’s video images from around the globe or the sound of your son’s voice from down the hall, just about everything in the world we live in is handled in digital form. Moving data quickly from one place to another is on everyone’s mind. Behind all this craziness is fancy network hardware and—you guessed it—a whole bunch of stuff that originated in the deep, dark caves of UNIX. If there’s one area in which UNIX technology has touched human lives, it’s the practical realization of large-scale packetized data transport.

Keeping up with all these fast-moving bits is a challenge. Of course the speed and reliability ...

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