| 一种快速动态分布式光链路建立方法 |
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| 引用本文： | 李蔚卜,何军,李源,刘德明,杨春勇,黄德修.一种快速动态分布式光链路建立方法[J].光电子．激光,2004,15(11):1329-1333. |
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| 作者姓名： | 李蔚卜 何军 李源 刘德明 杨春勇 黄德修 |
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| 作者单位： | 华中科技大学光电子工程系,湖北,武汉,430074;华中师范大学计算机科学系,湖北,武汉,430070 |
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| 基金项目： | 武汉市重大科技攻关资助项目(2002100513004) |
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| 摘 要： | 提出一种改进的波长分配算法，用于波长路由光网络中快速动态分布式光链路的建立。该算法采用提前释放和超时释放两种波长和链路释放机制，减少了网络拥塞，更适合波长路由网络的实际运行规则。通过在美国自然科学基金网(NSF)上的仿真计算，与以前的研究结果相比，该算法可以减少网络的阻塞率8％，同时缩短了光链路建立的时间。
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| 关 键 词： | 波长路由光网络(WRON) 动态波长分配算法 光链路释放机制 阻塞率 光链路建立时间 |
| 文章编号： | 1005-0086(2004)11-1329-05 |
A Novel Fast Distributed Dynamic Lightpath Setup Algorithm |
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| LI Wei.A Novel Fast Distributed Dynamic Lightpath Setup Algorithm[J].Journal of Optoelectronics·laser,2004,15(11):1329-1333. |
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| Authors: | LI Wei |
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| Abstract: | In this paper,a novel revised fast distributed dynamic wavelength assignment algorithm for optical path setup has been presented.Through adopting two new optical link and wavelength release mechanism,this algorithm can reduced the blocking probability significantly and is more suitable to the practical application in wavelength routing networks.The effectiveness of the algorithm is verified through the simulation of NSF Net model.After compared with the results in previous work,it shows that the revised algorithm can realize 8% reduction in network blocking probability and has made a reat improvement on reducing optical path setup time. |
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| Keywords: | wavelength routing optical networks(WRON) dynamic wavelength assignment algorithm optical link release mechanism blocking probability optical path setup time |
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