Asymmetric Digital Subscribers Line (ADSL) is a modem technology that uses ordinary copper phone lines into high-speed digital lines for ultra-fast Internet connections. ADSL modems use various digital-coding techniques, using up to 99% of the capacity out of a phone line without interfering with ordinary POTS or Plain Old Telephone Service (www.ADSL.com). This means a person can surf the Internet, download a file, or receive live feeds, and still be able to talk on the phone at the same time. DSL provides services as fast as a cable modem, and in some protocols much faster than a cable modem.

The first major problem with ADSL is the distance that is required to be in the range for the service. Because of telcos trying to save money in copper wire costs they use the thinnest wiring possible. This attenuation affects the distance of the signal across the thin wire, so only systems within a 3-4 mile radius fr

A major problem with both services is the security issues that face the computers. Since the computers are on a full time connection, File and Print sharing and Web server use can be hacked by hackers (). File and Print sharing are used in networking situations that enable people to share printers and information from other computers. Web server use may be set up on the user's computer to allow people to access their computer like a web site. In both situations, the best solution is to disconnect the modem when the Internet computer is not in use or shut the computer down when the modem is not in use (1). If the computers cannot be taken off the Internet, then a proper firewall should be installed to help prevent hackers from breaking into the computer network, or an individual computer (2).

Another issue locally, speaking from my own experience, is service. I had my cable modem for several months, and it seemed like the service was actually down more that it was up. When having to call in to Charter and wait on hold for thirty minutes for a rude person to tell you that the service is down in your area and they are looking into the problem, you tend to get a little frustrated. I have seen several comments on the Internet and with speaking with people in person that a lot of people are dissatisfied with the customer service. Keep in mind, they are the same people that we have to deal with our cable service, and we all know how that is!

om a telephone switching office can receive ADSL (White 1). The telcos are obviously aware of this problem and have several solutions to assist in the problem. Digital Loop Carriers (DLCs) are installed now to customer’s phone to provide phone service for homes and businesses. The first approach for telcos to update DLCs to handle ADSL is to replace parts in the DLC cabinet with integrated ADSL components to offer ADSL (Bushaus 2). The second approach is to build a remote DSL Access Multiplexer (DSLAM) near large scale and upper class neighborhoods to ensure they get a return on the

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