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With the network scale and customer scale extending of Broadband Metro Aero network,many kinds of network stratification plane service application emerges one after another incessantly. But the original network structure is very simple, the function is very important, to develop the network communication service, must strengthen the reliability and the service strut ability of the network. Therefore, the most important thing is the network optimization. This article passes the network of Dongguan as an example, has analyzed the question which the current network exists, has produced the suggestion to the network next step of adjustment, will raise the service strut solution.First, this article has analyzed the Dongguan network present situation, from aspect and so on network architecture, service application, user management, network management, network security has discovered the question which the Dongguan network exists, for example: The network architecture is not clear, the equipment cascade level are many; The network management and the service control relative disperser, each kind of service is promiscuous,is unable to satisfy the service development the demand; The equipment function, is unable to carry on the powerful strun to the network application new service; Network frail,the equipment processing data ability is bad, does not have the effective safe guard method, is unable to process the burst characteristics data current capacity.Next, this article according to the current telecommunication level operation business the service characteristic, in view of to the Dongguan network extant question,using QoS, VPN, QinQ and the group broadcasts and so on the new network technology, selects BAS and so on the new network equipment, has produced the solution which a network optimizes, for went out of MAN structural model.Receives, the union goal network architecture, elaborated the related network management method, realizes to the network may manage may use, rapidly locates the breakdown, promptly discovers the hidden danger, reduces in the work the manpower cost, causes MAN reasonable coordinated development.Finally, has carried on the performance appraisal after the promotion Dongguan network work, finally indicated, after the promotion Dongguan network work is may the operation, be possible to manage, may to provide the difference QoS safeguard ability the multi-services load bearing network, may satisfy in the city territory the multi-services need to develop, the network level clear, the network architecture was flat, has achieved the network difference service goal.
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