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一种新型的光网资源动态配置模型

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摘要 在综合考虑了光信号传输损伤和业务分级等因素对WDM网络光层实现资源动态配置影响的基础上, 提出了一种新型光网资源动态配置模型. 这种资源配置模型把光路连接请求优先级映射为不同的传输损伤阈值, 定义了统一的候选虚波长通道(VWP)评价方法. 针对动态业务流量、多优先级条件下波长路由光网中的RWA问题, 给出了改进的首选波长集算法(A-PWS)和启发式的动态最小代价路由及最佳虚波长通道算法(DMC-OVWP). 在收到光路连接请求时, 应用DMC-OVWP算得多条候选VWP, 然后结合传输损伤分析对候选VWP进行评价, 从中选出与该请求的优先级相匹配的VWP并建立光路.
出处 《中国科学(E辑)》 CSCD 北大核心 2004年第8期895-905,共11页 Science in China(Series E)
基金 国家自然科学基金(60272048)资助项目
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参考文献23

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