| It can be very confusing when you begin to search | | | | have a router that is designated for this specific line. |
| for the best Internet connectivity and bandwidth | | | | SDSL allows for the transfer of data at same speeds |
| needed for your business/home. These include DSL, | | | | but up and down and it is guaranteed. This is a plus |
| ADSL, and SDSL...they all look very similar but they | | | | for data applications that need constant |
| do have their differences. | | | | high-upstream bit rates, such as VOIP (voice over |
| Below are some of these differences between an | | | | IP). SDSL is generally preferred by business, as the |
| ADSL line and a SDSL line; | | | | uploading speed is so much faster than ADSL. |
| Asymmetric Digital Subscriber Line also known as | | | | ADSL: |
| ADSL, has the ability to download at speeds of up to | | | | This type of line has a relatively low cost; however it |
| 512kbps and a maximum upload of 256kbps. This | | | | is not available in all areas, although the major metro |
| basically means that you are transferring data when | | | | areas are almost at 70% in availability. The ability to |
| you download it at 2mbps yet when you are | | | | upload is also much slower than download and may |
| uploading it, the process would be half of that and is | | | | not be beneficial if you use the Internet heavily or |
| only travelling at 1mbps. | | | | need it for business purposes. Speed suffers as the |
| ADSL uses the copper telephone wire that is already | | | | bandwidth is aggregated at the main office and is |
| in place and allows you to be on the Internet and | | | | subject to oversubscription. The cost of ADSL is |
| make a phone call using the same exact line. | | | | varied depending on the carrier for the area and |
| Now, when you are using a Symmetric Digital | | | | location of the service. |
| Subscriber Line, otherwise known as an SDSL, you | | | | SDSL: |
| will find that you have the ability not only to upload | | | | This line on the other hand has a higher cost. Again |
| but to download at the same speed of 512kbps. | | | | this is varied according to who the carrier is, where |
| That is 8 times faster than standard ADSL. The | | | | the service is located and what it will be used for. |
| reason that SDSL is able to carry data more quickly | | | | The ability to upload and download is up to 2mbps |
| is due to the circuits for these lines are made from | | | | both ways. Great for businesses that need the extra |
| new copper wire. This new wire does not support | | | | speed but don't want the extra cost when compared |
| the more traditional method being able to make a | | | | to a T-1 line. |
| phone call and also using the same line to connect the | | | | It is helpful to understand the difference between an |
| Internet at the same time. Due to the difference in | | | | ADSL line and a SDSL line as this will help you to |
| technology used, when using SDSL you will need to | | | | choose which route is best for your needs. |