Virtual private network

A Virtual Private Network, or VPN, is a private communications network usually used within a company, or by several different companies or organizations, to communicate over a public network. VPN message traffic is carried on public networking infrastructure (e.g. the Internet) using standard (often insecure) protocols, or over a service providers network providing VPN service guarded by well defined Service Layer Agreement (SLA) between the VPN customer and the VPN Service Provider.

Related Topics:
Communications network - Internet

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