Design of power supply and distribution monitoring system based on VPN

The power supply and distribution systems was a hub network for industrial, commercial and domestic electricity. Its safety was directly affected by the development of the national economy. The situation and disadvantage of system was analyzed, and a new power supply and distribution monitoring system based on VPN was designed. Based on the overall structure and the key role that VPN technology of distribution monitoring system,the improved security of the monitoring system based on VPN technology was analyzed. And the composing parts of the system and the VPN security protocols were also analyzed.