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格状光网络中基于非对称业务的P圈配置策略?

DOI: 10.13190/jbupt.200801.1.lib, PP. 1-4

Keywords: 格状光网络,P圈,生存性,保护

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Abstract:

针对格状光网络中的不对称动态业务,提出了一种实现单链路故障保护的保护圈配置策略.建立了非对称环境下的P圈配置的网络模型,给出了一种基于网络中工作资源分布结构和P圈有效跨接链路效率配置保护圈的针对单链路故障的启发式P圈保护算法.针对在非对称业务环境下动态业务给出P圈构建模型配置方法,采用泛欧COST239网络拓扑,在非对称动态业务环境下对算法性能分别进行了仿真.仿真结果表明,该算法在非对称动态业务的环境下,比已有方法有更高的资源利用率.分别针对网络轻载和重载的情况给出了不同优化P圈的配置方案.

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