private data network

private data network
   Abbreviated PDN. A highly secure and very expensive network of leased lines built for a single user, usually a corporation.
   PDNs are used to transmit highly sensitive data such as banking and other financial information. The service provider guarantees a certain bandwidth will always be available, although some of that bandwidth may go unused during periods of light traffic.
   See also Virtual Private Network.

Dictionary of networking . 2014.

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