Fév 18, 2002
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What is a VPN? .. Explaining Virtual Private Networks

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As it is most commonly defined, a virtual private network (VPN) allows two or more private networks to be connected over a publicly accessed network. In a sense, VPNs are similar to wide area networks (WAN) or a securely encrypted tunnel, but the key feature of VPNs is that they are able to use public networks like the Internet rather than rely on expensive, private leased lines. At they same time, VPNs have the same security and encryption features as a private network, while taking the advantage of the economies of scale and remote accessibility of large public networks.

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