Study The Service Systems Accessed To MPLS-VPN Network For Guizhou Power

There exist various services in Guizhou power data network . The professional service systems have various functions and are independent each other. These professional service systems are separated logically in the network, and the access between them should be controllable and manageable in function designing. According to the platform of Guizhou power MPLS/VPN(Multiprotocol Label Switching/ Virtual Private Network) data network, the thesis mainly study how to realize the fusion of various professional service systems, and ensure the requirements of security, stability, extensibility, feasibility and in the coordination with local services in order to ensure the large-scale access of services.MPLS improves the technology of the private network construction. It has the advantages of delivering routes between the Layer 3 which are connectionless and the Layer 2 which are connection-oriented. Through constant research and countless experiments, the method of seamless integration with customer intranets has been found out, so that we only buy the customer equipment once, and the upgrade of the network only needs to modify the configurations but not needs to change the consumer equipment. It guarantees the stability and the consistency of service systems. A platform for rapid deployment of additional value-added IP services in the MPLS/ VPN network can be provided.In the thesis, through management of VPN membership and provisioning of new VPNs for rapid deployment provided by MPLS/VPN, author find out the method of making a new service more accessible and fast implement of the services. By limit the VPN road Internal, and make MPLS/VPN have privacy and security equal to that provided by Layer-2 VPNs by limiting the distribution of a VPN's routes to only those routers that are members of the VPN ,ensure the method of the high credibility of the services;By access to services projects of three layers and four area,realize support for multiple classes of service and priorities within VPNs and independences,according with the method of network project with safety provide by the State Grid Corporation of China.With the increased scalability over current MPLS/VPN implementations, thousands of sites per VPN and hundred and thousands of VPNs per service can be provided to meet the need for the accessing of services in the power system and...