The VPN server provides a routed connection to the network to which the VPN server is attached. A site-to-site VPN connection connects two portions of a private network. A routed VPN connection across the Internet logically operates as a dedicated WAN link. Site-to-site VPN connections (also known as router-to-router VPN connections) enable organizations to have routed connections between separate offices or with other organizations over a public network while helping to maintain secure communications. The exact infrastructure of the shared or public network is irrelevant because it appears logically as if the data is sent over a dedicated private link. From the user s perspective, the VPN is a point-to-point connection between the computer (the VPN client) and an organization s server. Types of VPN connection There are two types of VPN connection: Remote Access VPN Site-to-site VPN Remote Access VPN connections enable users working at home or on the road to access a server on a private network using the infrastructure provided by a public network, such as the Internet. VPNs are often used to extend intranets worldwide to disseminate information and news to a wide user base. A VPN can connect multiple sites over a large distance just like a Wide Area Network (WAN). What is VPN? A Virtual Private Network (VPN) is a network technology that creates a secure network connection over a public network such as the Internet or a private network owned by a service provider.
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