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Joint routing and resource allocation in optical transport networks
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作者 SU Yang XU Zhan-qi LIU Zeng-ji 《Optoelectronics Letters》 EI 2006年第6期449-451,共3页
A layered network model for optical transport networks is proposed in this paper,which involves IP,SDH and WDM layers.The strategy of Dynamic Joint Routing and Resource Allocation (DJRRA) and its algorithm description... A layered network model for optical transport networks is proposed in this paper,which involves IP,SDH and WDM layers.The strategy of Dynamic Joint Routing and Resource Allocation (DJRRA) and its algorithm description are also presented for the proposed layered network model.DJRRA optimizes the bandwidth usage of interface links between different layers and the logic links inside all layers.The simulation results show that in contrast to the classical separate sequential routing and resource allocation solutions,DJRRA can reduce the blocking probability and increase network throughput effectively. 展开更多
关键词 结点路由 资源分配 光传输网络 wdm层
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