Definition 1. - This is technology that uses ordinary copper telephone lines to provide Internet speeds ranging from 1.5 to 9 Mbps--speeds that are 30 to 50 times faster than a regular 56-kbps dial-up modem. DSL also allows users to receive voice and data simultaneously, since the signal is carried on a higher frequency than normal telephone communications. xDSL refers to all types of Digital Subscriber Lines, including: ADSL: Asymmetric Digital Subscriber Lines SDSL: single-line digital subscriber lines HDSL: high-data-rate digital subscriber lines VDSL: very-high-data-rate digital subscriber lines.

Definition 2. - Short for Digital Subscriber Line, Alto DSL technologies use sophisticated modulation schemes to send data over the copper wire used for your phone connection and is considered high speed or broadband Internet access.

Definition 3. - Technology that dramatically increases the digital capacity of ordinary telephone lines. The distance from the customer to the telco central office determines DSL speeds. Asymmetric DSL (ADSL) is for Internet access, where fast downstream is required, but slow upstream is acceptable. Symmetric DSL (SDSL) is best for connections that need high speed in both directions. DSL provides "always-on" operation. At the Central Office, DSL traffic is aggregated in a unit called the DSL Access Multiplexor (DSLAM) and forwarded to the appropriate ISP or data network. DSL can compete with cable modems in bringing multimedia and 3-D to homes and small businesses.

Definition 4. - A method for moving data over regular phone lines. A Alto DSL circuit is much faster than a regular phone connection, and the wires coming into the subscriber’s premises are the same (copper) wires used for regular phone service. A commonly discussed configuration of DSL allows downloads at speeds of up to 1.5 megabits per second. This arrangement is called an ADSL: Asymmetric Digital Subscriber Line.

DSL ALTO, LA - How does the largest software giant in the word increase revenue? That is the billion-dollar question facing planners at Microsoft. As the market leader in operating system software with a market share of 95%, it becomes difficult to generate revenue while almost every PC on this planet is already running some version of Windows. The answer? High-speed internet access (MSN DSL) and video games (XBOX).

Wether by luck or by plan, Microsoft was able to hold off on their plans to become and ISP until -after- the dot-com crash, allowing Microsoft to purchase network capacity for pennies on the dollar. Coupled with Mircosoft's unequalled ability to repeat sell to their customers, MSN DSL was quick to pick up it's first batch of customers.

Since the initial launch in 2002, MSN DSL has built out it's portal to rival that of AOL, complete with it's own version of Instant Messanger, Spam-Filetered Email, and Parental Controls. Leave it to Microsoft to dominate any computer-related field it sets in its sights.

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