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Online! The Book by Wendy Taylor, Chris Pirillo, John C. Dvorak

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Digital Subscriber Line

Digital Subscriber Line (DSL) is another broadband technology that, like cable, uses your existing infrastructure to pipe high-speed Internet access into your home or office in a continuous, always-on connection—no dialing up. However, instead of using your cable service's coaxial cable, DSL uses traditional twisted-pair copper telephone lines. This saves a lot of time, trouble, and money by eliminating the need for costly infrastructure upgrades common with other technologies. This makes DSL a practical alternative to cable Internet access for small businesses and residential homes.

How Does DSL Work?

Just like a coaxial cable can simultaneously carry television signals and provide Internet connectivity, DSL performs ...

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