11 Cards in this Set
| Front | Back |
|---|---|
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Internet Backbone
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fiber-optic lines that carry data traffic over long distances - very fast, providers like At&T
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Amdahl's Law
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a system's speed is determined by its slowest component (bottleneck) - more often than not = last mile
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Last Mile
|
connections that customers use to get online
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Broadband
|
high-speed, last-mile technologies
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Bandwidth
|
Network transmission speeds, usually expressed in some form of Bits Per Second, bps
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Coaxial Cable
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or coax, insulated copper cable commonly used by cable television providers, has shielding that reduces electrical interference - allowing cable signals to travel longer distance w/o degrading
|
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3g vs 4g
|
Third (or fourth) Generation wireless network.
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DSL
Digital Subscriber Line
|
uses copper wire the phone company has already run into most homes. Even as customers worldwide are dropping their landline phone numbers, the wires used to provide this infrastructure can still be used for broadband.
|
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FTTH
Fiber to the Home
|
fastest last-mile technology around. It also works over long distances
|
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Wireless Spectrum or Air-wave Frequency Space
|
frequencies used for communication. Mobile cell phone services have to license spectrum. Wi-Fi is unlicensed public spectrum
|
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Net Nuetrality
|
principle that all internet traffic should be treated equal
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BADM 350