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The external environment and demand of the Hefei Telecom Ip Metropolitan Area Network turn tremendous changes. With the rapid growth of broadband custom number and a variety of broadband and new business, enriching the field structure and capacity of the network will not be able to fit the future demand for business to grow rapidly. In response, Hefei Telecom Ip Metropolitan Area Network needs planning and optimization through restructuring. It will be very important for the steady development of Hefei Telecom in Fierce competition to establish a Ip Metropolitan Area Network on the basis of the business, management, profitability, scalable, security, and sustainable development for Customer’s Demands.The writer first analyse and summarize the Situation and trouble on Hefei Telecom Ip Metropolitan Area Network; Then the writer optimizes the network’s structure, includes the core layer and the distribution layer, business layer and Access layer; And then analyse and summarizes the network performance profiling, includes the authentication, accounting, routing, business on Carrier Network, IP address’s assigns, QoS, network flow, network security; After these, the writer have some tests on the network performance profiling of the optimized network and analyse the test result; At last, the writer looks into the future of the Ip Metropolitan Area Network.Through to the subject of research, the writer hopes to give the Hefei Telecom a theory evidence on the building and the development of Ip Metropolitan Area Network. At the same time, it also hopes to give the other telecom enterprises some help.
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