Very-high-speed Digital Subscriber Line (VDSL)

Tips & Advice to help you make your decision on Very-high-speed Digital Subscriber Line (VDSL)

A very-high-speed digital subscriber line (VDSL) is a DSL technology that transmits high amounts of data over a short distance extremely rapidly. VDSL transmits data at rates up to 55Mbps, which is extremely fast compared to the 8 to 10 Mbps maximum speed that the widely-used ADSL technology can handle. The speed of your VDSL connection depends on distance, so shorter VDSL cables provide a quicker connection than long VDSL cables.

VDSL is fast enough for things like digital television and video on demand. Like ADSL, VDSL connects through your phone line. VDSL uses a multiple-carrier system based on Discrete Multitone (DMT) technology, which has 247 channels in each line. As you use a computer attached to VDSL, the signal shifts between channels to find the best one at any given time, so you always get the clearest and fastest available connection.

Many telecommunications providers offer some form of VDSL, including AT&T, Qwest, and TDS. The biggest competing broadband technologies are FTTP, which offers data rates of 1Gbps, and DOCSIS 3.0, which offers data rates of 200 Mbps.

A very-high-speed digital subscriber line (VDSL) could be a good option for your business if you handle or plan to handle large amounts of data frequently. Learn more about VDSL and whether it is right for you at Business.com.

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