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一种新型的动态路由和波长分配算法 被引量：2

On Novel Dynamic Routing and Wavelength Assignment Algorithm in WDM Optical Network
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摘要 本文讨论了WDM光网中 ,在动态业务流量和有限范围波长变换情况下的动态路由和波长分配 (RWA)问题 ,基于Moone Dijkstra算法 ,考虑到动态波长变换的可能和限制 ,提出了一种新型的、可实现动态最小代价路由和最佳虚波长通道的综合启发式算法 (DMC OVWP)。该算法对路由子问题和波长分配子问题既相互独立 ,又相互结合 ,优化了RWA ,保证了网络信息传输的安全性。对中国教育和科研计算机网 (CERNET)基于本算法进行了计算机仿真 。 Dynamic routing and wavelength assignment in the WDM networks with both dynamic service traffic and limited range wavelength conversion has been discussed. According to probability and limitation of wavelength conversion, a novel initiatory algorithm, which could achieve dynamic minimum cost routing and optimal virtual wavelength path, DMC OVWP, was proposed based on Moone Dijkstra algorithm. With sepa ration and combination of routing subproblem and wavelength assignment subproblem, the algorithm optimizes RWA problem and so guarantees information transmission security in WDM optical network. The results simulating CERNET using the algorithm shows that low blocking probablity has been obtained.
作者 李雷 孙小菡 张明德 唐勇 饶敏 王琛
机构地区 东南大学电子工程系
出处 《电子器件》 CAS 2002年第3期255-257,共3页 Chinese Journal of Electron Devices
关键词 波长分配 动态路由 虚波长通道 波长变换 链路权值 安全性 RWA dynamic routing virtual wavelength path wavelength conversion link weight security
分类号 TN915.63 [电子电信—通信与信息系统]
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参考文献2

二级参考文献7

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共引文献20

同被引文献19

  • 1张兴,李雷,张明德,孙小菡.光突发交换网络中Jitter-EDF调度算法的研究[J].电子器件,2005,28(1):80-83. 被引量：1
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  • 7Stavdas A,Politi C T,Orphanoudakis T,et al. Optical Packet Routers : How They Can Efficiently and Cost-Effectively Scale to Petabits Per Second [ invited ] [ J ]. Journal of Optical Networking, 2008,7 ( 10 ) : 876-894.
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引证文献2

电子器件
2002年 第3期

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