| 光网络中基于路径计算单元的路由机制研究 |
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| 引用本文： | 韩大海.光网络中基于路径计算单元的路由机制研究[J].上海电力学院学报,2010(10). |
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| 作者姓名： | 韩大海 |
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| 作者单位： | 北京邮电大学信息光子学与光通信教育部重点实验室; |
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| 基金项目： | 国家“863”计划资助项目(2009AA01Z255); 国家自然科学基金资助项目(60772022); 教育部新世纪优秀人才支持计划资助项目(NCET-05-0112);教育部长江学者和创新团队发展计划资助项目(IRT0609); 高等学校学科创新引智计划资助项目(B07005) |
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| 摘 要： | 针对大规模多层多域光网络群故障发生时的网络受损情况,提出基于路径计算单元(PCE)架构的跨域路由算法进行快速恢复,并基于OMNet平台对多层多域路由方案进行了性能仿真分析。结果表明,基于PCE架构的路由策略在群故障发生时能够大大减少网络中的路径计算请求泛洪信息,降低路由计算收敛时间,可以提高全网剩余资源的资源利用率,为业务的快速恢复提供了路由基础。
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| 关 键 词： | 多层多域光网络 路径计算单元(PCE) 群故障 路由机制 |
Research on routing mechanism based on the path computation element in optical networks |
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| HAN Da-hai.Research on routing mechanism based on the path computation element in optical networks[J].Journal of Shanghai University of Electric Power,2010(10). |
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| Authors: | HAN Da-hai |
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| Affiliation: | Key Laboratory of Information Photonics , Optical Communications,Ministry of Education,Beijing University of Posts , Telecommunications,Beijing 1000876,China, |
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| Abstract: | Against to the network damage due to the group-failure in large-scale multi-layer multi-domain optical networks,the cross-domain routing algorithm based on path computation element(PCE) structure is proposed as the survivability mechanism.The simulation on OMNet software platform is taken to verify its validity.The results show that the PCE-based routing mechanism can decrease the routing calculation requirement flooding information and reduce the routing calculation convergence time when the group-failure ... |
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| Keywords: | multi-layer multi-domain optical network path computation element(PCE) group failure routing mechanism |
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