What is a Virtual Private Network Really Used for?
Abbreviated as VPN, a virtual private network is some sort of network arrangement that extends a private network and generally the resources that are contained in the network through public networks like the Internet. This is what allows a terminal or computer system to send and get data across a public or shared network. It really acts as if the connections and various configurations were private with all aspects of security, functionality and of course management policies part of the network. This is typically done by dcreating a point-to-point connection using dedicated connections, file encryption or a combination or even the two.
VPN connections across the Internet are technically wide area networks (WAN). This is what links networks at various sites but for the end user, the entire arrangement appears as if it was a private link. This is what creates the name VPN.
In that case, therefore, you could decide to specify a VPN as a network technology which easily creates protected network connections over public networks like the Web or private networks that are the property of certain service providers. Business corporations, government firms and educational institutions make use of VPN technology to allow remote users to effectively and securely connect to a private network.
You could use a VPN to connect different sites over large distances just like the case is for WANs. VPNs are usually utilized for purposes of extending Intranets across the globe as well as to share information and information to a broad consumer base. Many universities make use of VPN technology for purposes of connecting campuses which can be distributed throughout the nation and also across the world.
For an individual to be able to gain access to the private network, they must be properly authenticated. This can be done through the use of passwords and special identifiers. Many of these networks utilize authentication tokens in order to gain access to the private networks one wants to get information from.
VPN is just a successor of leased line arrangements in a lot of cases. In the recent past, leased lines like ISDN were essentially private connections that telecom companies could quickly lease to customers. These leased lines also provided companies different methods through which they could possibly broaden their private networks beyond the limitations of geographical locations. These are the types of connections that form wide area networks. In as much leased lines are protected, they are a bit costly. That is why VPN is the best selection for many. VPN is an affordable solution and is now used by thousands and thousands of users worldwide.
VPN connections across the Internet are technically wide area networks (WAN). This is what links networks at various sites but for the end user, the entire arrangement appears as if it was a private link. This is what creates the name VPN.
In that case, therefore, you could decide to specify a VPN as a network technology which easily creates protected network connections over public networks like the Web or private networks that are the property of certain service providers. Business corporations, government firms and educational institutions make use of VPN technology to allow remote users to effectively and securely connect to a private network.
You could use a VPN to connect different sites over large distances just like the case is for WANs. VPNs are usually utilized for purposes of extending Intranets across the globe as well as to share information and information to a broad consumer base. Many universities make use of VPN technology for purposes of connecting campuses which can be distributed throughout the nation and also across the world.
For an individual to be able to gain access to the private network, they must be properly authenticated. This can be done through the use of passwords and special identifiers. Many of these networks utilize authentication tokens in order to gain access to the private networks one wants to get information from.
VPN is just a successor of leased line arrangements in a lot of cases. In the recent past, leased lines like ISDN were essentially private connections that telecom companies could quickly lease to customers. These leased lines also provided companies different methods through which they could possibly broaden their private networks beyond the limitations of geographical locations. These are the types of connections that form wide area networks. In as much leased lines are protected, they are a bit costly. That is why VPN is the best selection for many. VPN is an affordable solution and is now used by thousands and thousands of users worldwide.
About the Author:
This post was published by a Web security specialist. If you are searching for a reputable virtual private network solution, make certain you check out his unbiased review of VPN4All.
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