VPDN造句怎么写

Research on cdma 1x-VPDN Access Plan

Two VPDN Network Construction Solutions of Enterprise Information;

The Research and Implement on CDMA 1X VPDN of Jiangxi Branch of China Unicom Ltd.;

Compared with the conven-tional dedicated lines such as leasing DDN and FR,establishing secure Vir-tual Private Dialing Network(VPDN)over Internet or other public networks can save a lot of communications fees and management costs for the enter-prises.

Study of VPDN Technology Based on L2TP and Applications to BRAS;

VPDN Network Technology in the Application of Birth Control;

与传统的租借DDN和FR等专用线路相比,在Internet或者其他的公用网之上建立安全的虚拟拨号网络(VPDN),可以为企业节省大量的通信费用和管理费用。