What is a VPN Used for?

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By Jacob Hardman


Abbreviated as VPN, a virtual private network is some sort of network arrangement which extends an exclusive network and generally the resources that are contained in the network through public networks like the Web. This is what enables a terminal or computer to send and receive data across a public or shared network. It acts as if the connections and various configurations were private with all elements of protection, functionality and management policies part of the network. This is normally done by establishing a point-to-point connection using dedicated connections, data encryption or a combination or even the two.

Virtual private network connections throughout the Internet are technically wide area networks (WAN). This is what links networks at different sites but for the end user, the whole arrangement appears as if it was a private link. This is what creates the name VPN.

In this case, for that reason, you can decide to define a VPN as a network technology which easily creates secure network connections over public networks like the Web or private networks that are the property of specific providers. Large business corporations, government firms and universities make use of VPN technology to enable remote users to successfully and securely connect to a private network.

You can use a virtual private network to connect various sites over very large distances just like the case is for WANs. VPNs are normally utilized for purposes of prolonging Intranets throughout the globe and also to disseminate information and information to a wide consumer base. A lot of universities make use of this technology for purposes of connecting campuses that can be distributed across the nation and also across the globe.

For a user to be able to get access to a private network, they ought to be successfully authenticated. This can easily be done using passwords and special identifiers. Many of these networks utilize verification tokens in order to get access to the private networks one wishes to get files from.

VPN is only a successor of what's called leased line arrangements in as far as remote connections are concerned. In the very recent past, leased lines like ISDN were basically private connections that telecom companies could quickly lease to clients. These leased lines also provided businesses different methods through which they could possibly broaden their private networks past the restrictions of geographical places. These are the types of connections that form wide area networks. In as much leased lines are secure, they are a bit expensive. That's why VPN is the very best choice for many. VPN is a very affordable solution that is now used by thousands and thousands of users worldwide.




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