public data network - Computer Definition
A public data network is defined as a network shared and accessed by users not belonging to a single organization. A public data network is set up for public use. The Internet is an example of a PDN.
See Also: Internet.
A communications network provided by a carrier organization that makes its transport available to companies. Customers attach to such networks using a variety of protocols including frame relay, ATM, IP, etc., and pay by the month or on a per-byte basis. Contrast with private data network. See virtual private network.