| 一种新的SDH传送网的业务可用性分析方法 |
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| 引用本文： | 邓歆,孟洛明.一种新的SDH传送网的业务可用性分析方法[J].计算机工程,2007,33(3):108-110. |
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| 作者姓名： | 邓歆 孟洛明 |
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| 作者单位： | 北京邮电大学网络与交换技术国家重点实验室,北京,100876 |
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| 基金项目： | 国家自然科学基金
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国家自然科学基金 |
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| 摘 要： | 如何评估和量化分析网络可用性已经成为一个重要的研究课题。该文提出了一个评价光传送系统业务可用性模型，在该模型中，端到端的业务可用性是基于链路的串联和并联结构来分析的，研究了具有自愈环保护机制的SDH业务可用性。传输线路和设备的故障率是基于一个较长的时间段内的计算值。该文验证了基于业务的光传送网的可用性分析的可操作性。
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| 关 键 词： | 可用性 平均故障间隔时间 平均故障修复时间 |
| 文章编号： | 1000-3428（2007）03-0108-03 |
| 修稿时间： | 2006-02-18 |
New Approach for Business Availability of SDH Transport Network |
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| DENG Xin,MENG Luoming.New Approach for Business Availability of SDH Transport Network[J].Computer Engineering,2007,33(3):108-110. |
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| Authors: | DENG Xin MENG Luoming |
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| Affiliation: | State Key Laboratory of Network and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876 |
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| Abstract: | It becomes a critical issue to access and quantify the availability of most networks.This paper presents a novel framework to access the availability of end-to-end traffic in the optical transport network.In this framework,the end-to-end traffic is analyzed by serial structure and parallel structure.It just focuses the ring network availability based on SDH technology that has self-healing mechanism.Calculation of availability is made using the failure of optical cables and equipments that are obtained during years-long observation.At last,the applicability of this framework is also examined in actual networks. |
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| Keywords: | Availability Mean time between failure(MTBF) Mean time to repair(MTTR) |
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