- VPN
(Virtual Private Network) A private network that is configured within a public network (a carrier's network or the Internet) in order to take advantage of the economies of scale and management facilities of large networks. VPNs are widely used by enterprises to create wide area networks (WANs) that span large geographic areas, to provide site-to-site connections to branch offices and to allow mobile users to dial up their company LANs.

- VPN over Internet

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A cost effective technology which enables the customer to establish his own VPN via his existing internet connection using VPN gateways which build a secure tunnels between the customers’ branches