Importance

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Abstract

A virtual private network is disclosed. The network may include a first private network including a first firewall interposed between a first private network and a public network and a second firewall interposed between a first client machine and the first firewall machine. The network may include a second private network including a third firewall interposed between the second private network and the public network, and a fourth firewall interposed between a second client machine and the third firewall. An encrypted path is provided for traffic flowing between the first and second client machines over the public network. The encrypted path comprises encryption of a first type for traffic the first and second firewalls and the third and fourth firewalls, and encryption of a second type is used between the first and second private networks for traffic flowing over the public network.

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First Claim