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   Author :     AhmetZekiTasgar
   Date :     20-09-2021, 15:40
   Category :     What Does it Mean
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What is VDSL? What is the Difference Between VDSL and ADSL?

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VDSL, or as it stands, Very High Speed Digital Subscriber Line (also referred to as Very high bit rate DSL or Very high data rate DSL) is another networking technology that internet providers can use to provide faster services over copper cable over shorter distances. Like the more widely used ADSL, VDSL is asymmetrical. Download speeds are usually faster than upload speeds.

Broadband providers cite VDSL as a faster and more stable connection compared to other copper cable-based services such as ADSL. VDLS works like ADSL and ADSL2+. It uses the copper telephone infrastructure to deliver the Internet to you.

How does VDSL work?

Different types of VDS use different technologies such as VDSL vectoring and double bonding to increase speeds. It uses two lines for a single connection to effectively double the speeds. Not all modems are equal and the same standards are not supported. Therefore, if you are using VDSL, you should make sure that you are using a fully equipped VDSL modem.

Internet speeds of those connected to VDSL are actually much faster than ADSL. On the other hand, it is possible to reach speeds of 100 Mbps and above in VDSL2. However, there may be speed limits in the plans of the providers. Many factors can play a role in the speeds you get from a VDSL connection, including:

  • Your distance from the internet distribution point.
  • The performance capability of your modem.
  • VDSL type such as VDSL/VDSL2.
  • Whether the connection is on a dual-link line.
  • environmental conditions.

What is ADSL?

ADSL is short for Asymmetric Digital Subscriber Line technology. The subscriber line is the telephone line that ends in our homes or offices that we use most to make calls. This line is a pair of copper wires and carries our audio signals to the other end of the telephone link.

The same line is used to carry internet data. However, different frequencies are used than those used for audio signals. Both voice and internet data signals are affected by condition and degradation in the copper wire. Therefore, the quality of the line at home is very important in order to benefit from an efficient internet connection.

ADSL connection is more economical than other connections such as fiber optic as there is no need to lay a separate wire or cable. The same telephone cable can be used for the Internet connection. ADSL2+ is the latest version of ADSL for those who live near switches managed by an ISP.

What is an ADSL modem?

You will need an ADSL supported modem to benefit from the ADSL service offered by the internet service provider. There are many modems on the market that will meet today's ADSL connection technology. You can turn to price/performance products to choose the one that best suits your needs.

On the other hand, when choosing an ADSL modem, it would be much more accurate to always procure modems from well-known brands. Generally, internet service providers sell modems during ADSL service sales. If you are a standard home user, these modems will meet your needs.

What is VDSL?

VDLS stands for very high speed digital subscriber line or very high bitrate digital subscriber line. This technology uses the same digital subscriber line to transmit the internet signal. It is a new technology compared to ADSL. VDSL offers a better user experience to internet applications users. The same subscriber line is used effectively.

Connection to the user is achieved by installing an optical node near the user/locations. This node is connected to the internet service provider using fiber optic cables. Like ADSL2+, VDSL provides a VDSL2 connection for users within a certain distance from the location of the VDSL switches.

What is a VDSL modem?

To take advantage of the VDSL service offered by the Internet service provider, you will need a modem with VDSL support. VDSL modem generally provides advantages to subscribers in the region close to the exchange or connection point.

On the other hand, when choosing a VDSL modem, it would be much more accurate to always obtain modems from well-known brands. If you are a standard home user, it will be much healthier to use the modem offered to you by your internet service provider (such as Türk Telekom).

What is the difference between ADSL and VDSL?

VDSL is the clear winner over ADSL, primarily because of its high-speed internet connection, which makes it easier to download and upload media more seamlessly. The speed is not at the same level as a fiber optic connection. However, it intensifies the competition in cable internet services.

  • Speed: The main difference between these two types of internet connection is speed. VDSL offers higher speed than ADSL connections. VDSL provides download speeds of up to 70 Mbps and upload speeds of up to 10 Mbps. ADSL, on the other hand, offers a maximum download speed of 24 Mbps and upload speed is quite low.
  • Applications: With VDSL in place, you can smoothly run high-bandwidth applications such as Skype, YouTube or online backup with almost no lag. This is one of the important advantages over ADSL.
  • Availability: Compared to VDSL, ADSL is more common and easily available. Most internet service providers around the world offer ADSL service. VDSL, on the other hand, is a service offered at more advanced points.
  • Price: There is not a huge price difference between VDSL and ADSL. This is true where several service providers offer these services. Of course, in a position where competition is higher, the price may be lower.
  • Signal: Signal loss is important for both VDSL and ADSL. As the distance of the copper wire between the user and the switching station increases, the signal strength of both ADSL and VDSL connections decreases. However, compared to ADSL, the VDSL signal weakens faster.

Due to high availability and relatively affordable prices, ADSL and VDSL are still the most widely used type of internet connection worldwide. The need for high speed internet connection is always in demand due to frequent HD streaming or sharing internet connection at home or office.

As can be seen from the information we have presented, VDSL offers much higher speeds than ADSL connections. There are very important differences between ADSL and VDSL, even if they are not obvious. Therefore, if you have to make a choice, it will be much healthier to choose VDSL if there is not a huge gap.

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