Broadband Technologies

7 Pages 1670 Words

What is Broadband? Broadband is the latest in high speed Internet access technology, delivering access at speeds hundreds of times faster than a dial-up modem can provide. Broadband is an always-open gateway to a huge world of Internet based services delivered at high speeds to households and business. Relying on digital and fiber-optic technologies, broadband eliminates the term “world wide wait” that haunts those who use slower Internet service through standard 56K dial up modems. Broadband connection to the Internet can be as much as 100 times faster than a standard dial-up service. There are a few different types of Broadband technologies, such as ISDN, DSL, cable.
ISDN stands for Integrated Services Digital Network. It’s a system of digital phone connections, which has been available for over a decade. It allows data to be sent simultaneously across the world using end-to-end digital connectivity. There are two types of ISDN, Basic Rate Interface (BRI) and Primary Rate Interface (PRI). BRI consists of two 64kb/s B channels and one 16kb/s D channel for a total of 144kb/s. This service should meet most individual needs. PRI is intended for greater capacity requirements. It has 23 B channels and one 64kb/s D channel for a total of 1536kb/s. In order to use the ISDN service you need to have an ISDN modem installed in your computer and an ISDN phone line installed from your local phone company. A single ISDN line can cost you about $250 per year. If you would like dual ISDN, you can expect to play somewhere around $400 per year. In the recent days, ISDN has been replaced with services such as xDSL and Cable modem service. These particular services are faster, cheaper, and easier to set up and maintain. Even though that is the case, ISDN can still be used for the ones who are unable to get the higher speed Internet, or even as a backup.
DSL stands for Digital Subscriber Line and is a service that offers a f...