Medium scale of Mobile hypothetical private network/the device which makes the development to large corporations network easy

摘要

This invention regards the Mobile agent device of Mobile hypothetical private network. The aforementioned device, the portable node which does connection from the position where it is far the terminal points to the Mobile IP tunnel (6), the description above the IPSec_VPN tunnel from the portable node which does connection from the position where it is far (7) the terminal points from (1), on the basis of user identification dynamically to select the internal Mobile IP foam/home agent, inside it is allotted to the aforementioned portable node, and/or tunneling it does the traffic from the internal Mobile foam/home agent to the Mobile foam/home agent, after the establishing the Mobile IP connection, at the same time between VPN negotiation phase, offering expansion certification additional user qualification proof, on the basis of one time password mechanism, or similar expedient,It does.