A tutorial from Broadband Reports:
Broadband refers to telecommunication that provides multiple channels of data over a single communications medium, typically using some form of frequency or wave division multiplexing.
Broadband access is a vehicle that allows the delivery of an entirely new breed of media services and communications-oriented applications. In the long run, it is these new services and applications that will differentiate broadband from dial-up Internet access and give consumers a reason for subscribing to broadband. Audio and video are the obvious cornerstones of this coming high-speed revolution. Speedy connections coupled with always-on access will improve the consumer multimedia experience and change the types of business models that are viable in the interactive marketplace. As use of broadband grows to more than 20 million subscribers by 2004, traditional media companies may uncover opportunities for growth and acquisition in these alternative content categories enabled by the high-speed Internet. Broadband will not replace traditional media formats as they exist today. But it will emerge as a new source of fragmentation, siphoning off enough listeners and viewers to affect established media entities and their long-term growth.
Federal Full broadband lines are lines with information carrying capability in excess of 200 Kbps in both directions, simultaneously. One-way broadband lines are lines with information carrying capacity in excess of 200 Kbps in one direction (typically downstream) and less than or equal to 200 Kbps in the other direction (typically upstream).
Broadband Access for Consumers is either through DSL (Digital Subscriber Lines) or via cable modem. See attached FCC Document
DSL is a technology for bringing high-speed and high-bandwidth, which is directly proportional to the amount of data transmitted or received per unit time, information to homes and small businesses over ordinary copper telephone lines already installed in hundreds of millions of homes and businesses worldwide. With DSL, consumers and businesses take advantage of having a dedicated, always-on connection to the Internet.
There are currently at least six different types of DSL. They are Asymmetric Digital Subscriber Line (ADSL), Symmetric Digital Subscriber Line (SDSL), ISDN Digital Subscriber Line (IDSL), High-bit-rate Digital Subscriber Line (HDSL), Very high-bit-rate Digital Subscriber Line (VDSL), and Rate-Adaptive Digital Subscriber Line (RADSL). Each one has different technical ranges, capabilities, and limitations.
Cable modems (CM) are designed to operate over cable TV lines to provide high-speed access to the Web or corporate Intranets. A power splitter and a new cable are usually required. The splitter divides the signal for the "old" installations and the new segment that connects the cable modem. No television sets are accepted on the new string that goes to the cable modem.
There are three types of CM: external modem, internal modem, and interactive set-top cable box. A number of different cable modem configurations are possible. Over time more systems will arrive.
Cable modem services offer shared bandwidth between your and your neighbors. Your speed will vary with how many people are on the cable modem network, which may be a disadvantage. With DSL service, you have a dedicated connection to your home.
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