VPN (Virtual Private Network) 1
VPN (Virtual Private Network) 1 : (ICT) (TEL, HE) A system that delivers private communications services on a shared, public-network infrastructure, and provides customized operating characteristics uniformly and universally across an enterprise. The term "VPN "is generically used to refer to voice VPNs. To avoid confusion, those used for data, rather than voice, communications are more properly referred to as "data VPNs" or "IP VPNs." VPN service providers define a VPN as a wide-area network of permanent virtual circuits, generally using asynchronous transfer mode or frame relay to transport IP. VPN technology providers often define "virtual private networking" as the use of encryption software or hardware to bring privacy to communications over a public or insecure data network.
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