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Two layer topologies are designed for OIHSON, one is OCS part, and the other is OBS part. OCS part will carry steady part of traffic between routers, and the bursty/dynamic traffic which is beyond the OCS part’s capacity will be accommodated by OBS one. When contentions appears in OBS part, collision traffic can switch back to OCS part if the latter happens to have enough resources, which can avoid dropping bursts for contention in OBS part as much as possible, and also improve cheap wedding gown dresses resources utilization. The third chapter will introduce the overall optimization design of OIHSON. The research includes three perspectives: (1) Based the character of layered topology of OIHSON, it’s better to segregate resources (wavelengths) used by OCS part from that used by custom made prom dresses part, which can simplify OAM (Operation, Administration and Maintenance) and also decrease the complexity of OIHSON nodes. (2) OIHSON includes two layer topologies. 12hot cheap prom dresses part will carry steady traffic between routers, and the bursty/dynamic traffic which is beyond the blog lace wedding dresses part’s capacity will be accommodated by OBS one. Based the method of segregating resources, two layer topologies can be designed seperatly. At the same time, the virtual design problem under uncertain model can be translated into static design problem under certain model. (3) Currently, new wedding dresses network design only considers network being in operation, namely all resources are applicable and the network traffic is capable of transmission successfully. Therefore, the following part introduces capacity design of custom made prom dresses in some scenes and the corresponding optimization models are given.To verify and evaluate performance of OIHSON, software simulation platform is designed. The simulation results given in chapter 4 verify OIHSON can efficiently carry bursty traffic, which realize anticipative purpose. The design details of simulation platform are given in chapter 5. The sixth chapter is conclusion of this dissertation.
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