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Introduction To VPN

A virtual private Network. (VPN) connects the components of one network over another network. VPNs accomplish this by allowing the user to tunnel through the Internet or another tunnel through the Internet or another public network in a manner that provides the same security and features formerly available only in private networks

Virtual Private Network

VPNs allow users working at home or on the road to connect a remote corporate server using the routing infrastructure provided by a public internetwork (such as the Internet). From the user’s perspective, the VPN is a point-to-point connection between the user’s computer and a corporate server. The nature of the intermediate internetowork is irrelevant to the user because it appears as if the date is being sent over a dedicated private link.

VPN technology also allows a corporation to connect to branch offices or to other companies over a public internetwork (such as the Internet), while maintaining secure communications. The VPN connection across the Internet logically operates as a Wide Area Network (WAN) link between the sites.

In both of these cases, the secure connection across the internetwork appears to the user as a private network communication-despite the fact that this communication occurs over a public internework-hence the name Virtual Private Network.

VPN technology is designed to address issuers surrounding the current business trend toward increased telecommuting and widely distributed global operations, where workers must be able to connect to central resources and must be able to communicate with each other.

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