Before there was an Internet connection, through ADSL, we had to use a modem link, which every time we used the phone, we could not access to surf the web and vice versa.
This evolved considerably when ADSL technology was created, which allows us, through its different channels, to send the voice through one of them and to use the rest for digital communication. As we continue advancing in the technology emerged a new class of network, called VDSL.
Thanks to this latest advance, we can have really amazing connections. To learn a little more about each of these networks, we suggest that you read the following article where we will show the differences that exist between each one, as well as we will recommend a real speed test.
VDSL and ADSL, what are they and how does each type of Internet connection work?
Nowadays we need, for our jobs, studies or simply for fun, to have the maximum possible Internet speed, which is why the constant evolution in this kind of issues.
There are different types of networks that vary according to the connection that we can obtain to upload or download data. Two widely used networks are ADSL and VDSL, which we will explain below.
VDSL technology (Very High Transfer Rate Digital Subscriber Line) is the one that allows us to access the Internet by broadband through the electromagnetic impulses transmitted by the twisted pair cables that the telephone line has.
It is an evolution of ADSL, since it allows the possibility of transmitting symmetrically or asymmetrically using 4 channels to transmit data, of which 2 is used for downloading and the others for uploading, thus substantially increasing Internet speed.
Symmetric speed is 26 Mbps, while we can reach up to 52 Mbps in uploads and for downloads we can get 12 Mbps, thus being much higher than ADSL.
The connection speed will be determined according to the distance that exists between our router and the central emitting, being more efficient when they are closer.
ADSL is the analog mode transmission of a broadband signal over a copper cable. Its translation into Spanish would be Asymmetric Digital Subscriber Line, it is so called because the upload bit rate per second is not the same as the download rate, the latter being much higher.
It uses 3 channels, where one is to transmit voice and the other two, with a higher frequency, are used for digital information. The maximum speed that it can reach is 24 Mbps and we can go up to 2 Mbps for the ADSL2 + variation.
Thanks to this technology, it can now be used for the transmission of high-quality digital television, especially in places where there is no fiber optic coverage.
The maximum distance you have to have the least possible interference is between 5.5 km and 10 km to the central.
What are the main differences between an ADSL connection and a VDSL connection?
The differences that exist between an ADSL Internet connection network and another VDSL are as shown below:
- Speed: A connection with VDSL is much faster, since it can reach between 52 Mbps and 100 Mbps download (the latter corresponds to VDLS2) while, to upload, we can obtain a speed of 12 Mbps. For ADSL2 + it is 24 Mbps and 2 Mbps respectively. In its first version, the Asymmetric Digital Subscriber Line it reaches between 8 Mbps and 1 Mbps.
- Channels: ADSL uses 3 channels, one for voice and the other two for downloading data and the rest for uploading data. The VDSL network works with four channels, using two for uploading and 2 for downloading data, thus being much faster and with greater bandwidth.
- Symmetry: Let us remember that this concept refers to the parity that exists between uploading and downloading, being symmetric when the speed data are equal. There is no symmetry in Asymmetric Digital Subscriber Line, while the same does not happen for a VDSL network, since we can achieve up to 26 Mbps.
ADSL vs VDSL, which is faster to download data and surf the Internet?
As we have mentioned previously, we can reach for VDSL, a speed of 52 Mbps and 12 Mbps for uploading and downloading data respectively. Having a symmetric speed of 26 Mbps.
For those networks VDSL2 we managed to obtain a speed close to 100 Mbps down and up 36 Mbps to upload data.
While for an ADSL network, we can take into account the latest generation called ADSL2 +, we can get up 24 Mbps download. The bit rate per second will be measured in 2 Mbps.
All this will be possible as long as the state of connecting the cables, such as the use correct hardware as for its update and not obsolescence, I know are in perfect condition. In addition, the distance that exists with the central must also be taken into account.
In order to know exactly what is the speed we have of Internet connection, we will have to perform a effective speed test.
If you have any questions, leave them in the comments, we will answer you as soon as possible, and it will also be of great help to more members of the community. Thank you! 😉