| WDM全光网络中的多播路由与波长分配算法 |
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| 引用本文： | 于周秋,刘三阳.WDM全光网络中的多播路由与波长分配算法[J].西南交通大学学报,2004,39(2):265-268. |
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| 作者姓名： | 于周秋 刘三阳 |
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| 作者单位： | 西安电子科技大学应用数学系,陕西,西安,710071 |
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| 摘 要： | 研究了全光网络中的多播路由和波长分配问题，结合波长图模型，提出了一种波长可变WDM全光网络的多播路由和波长分配算法，算法将路由和波长分配统一进行，通过动态调整节点与当前树的代价值构造时延受限低代价多播树，避免了同类算法的较高复杂性。
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| 关 键 词： | 波长 网络 多播 波分复用 时延受限 路由 |
| 文章编号： | 0258-2724(2004)02-0265-04 |
Multicast Routing and Wavelength Assignment Algorithm for WDM All-Optical Networks |
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| YU Zhou-qiu,LIU San-yang.Multicast Routing and Wavelength Assignment Algorithm for WDM All-Optical Networks[J].Journal of Southwest Jiaotong University,2004,39(2):265-268. |
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| Authors: | YU Zhou-qiu LIU San-yang |
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| Abstract: | The problems of multicast routing and wavelength assignment in all-optical networks were studied. Based on wavelength graphs, a multicast routing and wavelength assignment algorithm for wavelength convertible optical networks was presented. The proposed algorithm deals with the routing and wavelength assignment as a unified process, and adjusts the cost of node with a multicast tree dynamically. It can construct a minimal cost multicast tree satisfying delay bound constraints. Moreover, the algorithm avoids the high complexity common to most delay-constrained heuristics. |
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| Keywords: | wavelength networks multicast WDM delay constraint routing |
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