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WDM网络动态组播业务共享保护算法 被引量：1

Provisioning of Shared Protection for Dynamic Multicast in WDM Mesh Networks
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摘要 该文研究了WDM网络中动态组播业务的保护.为提高网络资源的利用率,降低连接请求阻塞率,和单播业务的共享保护方案类似,组播连接之间也可以共享保护波长.本文提出了一种动态组播业务共享保护算法,并对算法的性能进行了仿真,同时和组播业务专有保护算法进行了比较.仿真结果表明,共享保护算法比专有保护算法使用了更少的波长资源,具有更低的连接阻塞率. The paper investigates protection for dynamic multicast traffic. In order to improve network resource utilization efficiency and reduce block probability, similar to unicast shared protection, protecting wavelengths can be shared among different multicast connections. The paper explores a shared protection algorithm for dynamic multicast traffic （SPDMT）. Performance of the algorithm is assessed through simulation and compared with dedicated protection. Simulation results show that SPDMT uses less network resources and has lower block probability than dedicated protection because SPDMT shares protecting wavelengths among multicast connections.
作者 程晓军 葛宁 冯重熙
机构地区 清华大学电子工程系
出处 《电子学报》 EI CAS CSCD 北大核心 2006年第4期595-598,共4页 Acta Electronica Sinica
关键词 组播 波分复用 共享保护 multicast wavelength division multiplexing （WDM） shared protection
分类号 TN913.7 [电子电信—通信与信息系统]
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参考文献8

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同被引文献7

  • 1H Takahashi,A Matsuyama.An approximate solution for the steiner problem in graphs[J].Math Japonica,1980,24(6):573-577.
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电子学报
2006年 第4期

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