Research on the technology of virtual data private network based on 3G network

Abstract

During recent years, with the development of enterprises informatization, telecom operators are demanded to provide a more flexible network mode. With the development of 3G service, the technology of virtual data private network(short for VDPN in this paper) provided by telecom operators based on mobile network and fixed network has been accepted gradually by enterprise users. According to the features of VDPN, this paper has designed the overall system structure of VDPN, illustrated two different modes of access, and provided a new mode of access by comparing the two modes above. The new mode can enhance the operating efficiency and security of the virtual data private network. © 2011 Springer-Verlag.