In order to improve the network security of the Inner Mongolia Unicom value-added service network platform and mobile IP carrying network interface device double route

based on parallel and series system theory

and combined with the production practice

we adopted the dynamic routing protocol.to complete the first double routing optimization that the value-added service of china unicom mobile IP bearer network interface equipment. This article based on the network "fiat" is an important way of operators to improve network security

solved the value-added service network with mobile IP bearer network interface device single routing problems

improving network security that has the great significance.