public data network(PDN)

1. A data network provided by a common carrier or PTT.; 一種由電信公司或電信局(PTT)提供的數據網。 2.In data communications, a network to supply a data transmission service to the public,provided by a public authority or recognized private operating agency. | 在數據通信中,由政府部門或得到承認的私營機構提供的一種向公眾開放數據通信業務的網絡。 參閱public network。