MPLS VPN's security and its application in the E-Gov networks

The paper analyses the method of VPN's construction, and discusses security of MPLS VPN.What's more,it is considered that MPLS VPN,added others,is a main solution to construct VPN for enterprise networks in future.At last,by given an example that is E-Gov of Yunnan Province,the paper puts forward that MPLS VPN will be an effectively measure in the E-Gov networks.