| In order to solve the limitations of the existing network resources of Police College, so that the students network, the office network and the private network of police can share their informations effectively with each other, and finally construction this network into an open, secure, stable and efficient digital network. This thesis will focus on this goal. Through the researching of the existing network of Police College we could complete the design for the network updating solution.The primary mission of the network updating was rebuid the network infrastructure. The solution focused on the core network load, network flow control, network access, export security and intelligent management. To reduce the core load,the solution used three layer network structure. We rebuilt the infrastructure of those old buildings, and deployed wireless at key area. We Unified the access authentication using user login management. At the same time,we integrated the existing servers pool, increased export security. And we bought a new IMC(Intelligent Management Center) to deploy security, defense, monitoring and management.The result showed we basically reached the target, reducing the core load.The testing result of erminal access authentication was good.The result of defense Deployment and business monorting also achieved expectations. Those made the existing network system to become a new system which was made up of more than one modular system with complex and high efficiency.So we effectively strengthened the management of the entire network, and improved the efficiency of the network.After this updating, the network of Police College have been successfully upgraded into an IPv6 surported, wired and wireless integrated, highly reliable, high-security, high-performance digital network, and through the flow control, access authentication, access control, imc, could make our network to be more controllable, more reliable and more excellent, network controllable, so we reached our basic goal. |
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