How to Compare DSL Speeds
Digital Subscriber Line (DSL) is one of just many technologies that can bring high-speed Internet into your home. DSL technology digitally transmits data over traditional phone lines and is offered by local phone service providers.
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How Speed Is Measured
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The speed with which a computer connects to the Internet is measured in bits per second. Popular units of measurement are kilobits per second (Kbps), in which each Kbps represents 1,000 bits per second, and megabits per second (Mbps), in which a Mbps equals 1 million bits per second.
Comparing Speeds
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When shopping for high-speed Internet service, consider the advertised download and upload speeds. Download speeds typically are in the Mbps range, while upload speeds are in the hundreds of Kbps. For most customers, download speeds are more important than upload speeds, as most Internet use is download intensive. While some DSL providers advertise download speeds up to a few megabits per second, they often don't make any guarantee of individual performance.
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Variables That Effect Speed
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A number of variables can effect the speed of DSL transmissions, including the distance from the service provider, the age of the infrastructure and the amount of traffic on the line.
Testing DSL Speeds
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If you suspect your service provider is not delivering the speeds you are purchasing, have your connection tested. You can have your service's connection speed tested for free at websites such as Speed Test. If your service is not performing as advertised, you can file a complaint with the Federal Communications Commission (FCC).
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References
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