We will explain what a VPN connection is, what it is for, and its advantages. VPN connections are by no means a new invention. But it is now that they are beginning to gain traction among the general public. While traditionally, their use was more common in the business environment, the great versatility of these connections and their multiple applications make them increasingly popular.
Let’s start with the basics. VPN is an acronym for Virtual Private networks or virtual private networks that, unlike other more cryptic computer words like DNS or HTTP, gives us fairly accurate clues.
The keyword here is virtual since it is this property that generates the need for the VPN itself and allows VPN connections to offer you the multiple uses that we will see later.
Your mobile phone, PC, television, and other devices generally communicate with the router or modem that connects your home with your Internet provider, either by cable or wirelessly, to connect to the Internet. The components are different if you are using your mobile data connection (which includes its modem and talks to the telephone antenna). Still, the essence is the same: your device connects to another, connecting to the Internet.
However, it is another peculiarity of VPN connections, making them so fashionable today: data tunnels. Normally, while using the Internet, your device contacts your Internet provider, which is the one that connects with the different web services to offer you, for example, YouTube videos.
When you connect to a VPN connection, this changes. All your network traffic continues to go from your device to your Internet provider, but it goes directly to the VPN server, from where it will depart to the destination. Ideally, the connection is encrypted, so your Internet provider doesn’t know what you’re accessing. For practical purposes, your IP address is that of the VPN server: in many ways, it is as if you are physically there, connecting to the Internet.
It is an open secret that is especially important in the corporate environment, but its uses do not end there much less.
Now that we know what a VPN connection is and what it is for, it is time to summarize a list of the advantages and disadvantages. First, the positive part:
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Helpful Reference: The NY Times Blog
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