VPN AND ITS APPLICATION IN THE DEVELOP-MENT OF NETWORK MANAGEMENT SYSTEM
Zhao Ling-qi · Neimenggu Shi-da xuebao. Zhexue shehui kexue hanwen ban · 2003
VPN means that private network is built up in public network where date spreads by safe encrypted piping.Through authors deep search of VPN,VPN has been successfully used in development of the usage of common invoice in supervision and inquiry system.And date in system can be transmitted pellucidly,effectively and securely underlay circumstance of unchanging and destroying and original network.