ISP - Term Overview

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The ISP ( Internet Service Provider ), in computing, is the Internet Service Provider, that is, the company that sells the Internet connection to users.

Thus, the same ISP provides its clients with access to the Web through different means or technologies (DSL or "broadband", Dial-up, cable modem, GSM, etc.), and in the same country or region they can There are various ISPs, which together constitute a market.

In its early days, the Internet was a technology limited to university, government, and scientific settings, requiring specialized identification and access to use it. But this limited its dimensions, and excluded the general public, increasingly interested in the infinite possibilities of the Web, so at the beginning of the 90s a group of private companies decided to offer access points to the network, thus becoming the first commercial ISPs.

Competition between ISPs eventually led to an ever-widening user market and new and faster connection technologies, which allowed the great informational explosion of the Internet, taking it practically everywhere: cyber-cafes and phone booths initially, then to own homes of its users and finally, as we can see today, the cell phones they own.

ISP technologies

The main technologies used by ISPs to provide their users with an Internet connection are:

- Dial-up (dial connection); Connection through the telephone network.
- ADSL (broadband); Connection through an asymmetric digital subscriber line (hence the acronym).
- CATV; Connection through subscription television (cable).
- Mobile phone network; For "smart" cell phones, either UMTS (Universal Mobile Telecommunications System) or HSDPA (3G technology).
- Wireless network ( WiFi ); Radio wave connection for computers and cell phones.

How do I know my ISP?

In principle, to find out our ISP, it would be enough to check the name of the company you pay for Internet service, often the same company that provides us with telephony and / or cable television. In case we don't know it, it's possible to access this information through some free web pages that reveal information about the internet protocols that we use.

Some of them are Spyber.com or Ipcheck.org, and it's enough to enter their URL address in a window of our browser and wait for the complete information of our connection and computer to be displayed, such as IP address, server, remote port, and ISP. The latter can be called through those acronyms or simply as "Internet Service Provider".

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