| DSL stands for Digital Subscriber Line. It is | | | | |
| a service that makes the use of existing | | | | Advantages of DSL |
| copper telephone wires for delivering data | | | | |
| services at extremely fast speed rates. It | | | | No installation of new wires is required. DSL |
| does not hamper the existing telephone line. | | | | uses the present telephone line to connect to |
| You can surf the Internet and talk on the | | | | the Internet. It provides extremely fast |
| phone, simultaneously. | | | | connection. Depending on the offer, you would |
| | | | not even have to pay for the DSL modem |
| DSL offers speeds that are around 5 to 25 | | | | installation charges, since it is provided |
| times higher than a typical 56Kb dial-up | | | | free by some of the companies on selection of |
| connection. It is an always-on type of | | | | the appropriate plan. The download rate is |
| connection. This implies that websites would | | | | much higher in DSL connections. Many business |
| load quickly, downloads would be faster, | | | | organizations have gained the benefits of |
| buffering of videos would be fast and smooth | | | | DSL. A DSL connection is very secure. |
| and the domain of Online games would be | | | | |
| illimitable. | | | | Disadvantages of DSL |
| | | | |
| Based on the types of service, DSL can be can | | | | The quality of your DSL connection depends on |
| be categorized in three divisions which are | | | | the distance between the DSL providers office |
| ASDL, IDSL and SDSL. | | | | and your location. Nearer you are, the better |
| | | | quality connection would you get. So, |
| ADSL stands for Asymmetric Digital Subscriber | | | | consumers located far from the local DSL |
| Line. It offers download speed of 1.5 Mbps | | | | office may face some trouble. DSL provide |
| and upload speed of 384 K. In order to | | | | high speeds for downloading stuff but upload |
| acquire a ADSL connection, your location has | | | | speeds are not that good. |
| to be within 3 miles of your local telephone | | | | |
| office. Also, a DSL router is needed for this | | | | DSL vs Cable Modems |
| type of connection. | | | | |
| | | | The services provided through a cable modem |
| IDSL is a ISDN Digital Subscriber Line | | | | can sometimes slow down or get hanged. It |
| service which requires an ISDN router. It | | | | depends on the number of users accessing that |
| provides a connection speed of 144 K. in this | | | | particular service. But, in a DSL connection |
| type of connection distance is not a | | | | there is no such problem. The speed of DSL is |
| component to be considered. | | | | consistent and high. This does not allow any |
| | | | kind of conjunction on the network. It |
| SDSL means Symmetric Digital Subscriber Line. | | | | provides more security than the cable modem |
| The speeds available under this type of DSL | | | | connections. The popularity of DSL has risen |
| connection depends on the distance between | | | | to new heights which has resulted in |
| your location and your local telephone | | | | disconnections and up gradations of the cable |
| office. The speed of downloads and uploads | | | | modem connections. |
| can go up to 1.1 Mbps. | | | | |