| 对网状WDM网中双链路失效的保护算法分析 |
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| 引用本文： | 张丽娟,巩稼民. 对网状WDM网中双链路失效的保护算法分析[J]. 西安邮电学院学报, 2010, 15(3): 51-54 |
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| 作者姓名： | 张丽娟 巩稼民 |
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| 作者单位： | 西安邮电学院电子工程学院,陕西西安,710121 |
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| 摘 要： | 研究了网状WDM网中双链路失效下共享通路保护(SPP)和共享链路保护(SLP),以及新的保护方式—共享段保护(SSP)的模型,并分析了静态和动态保护算法。动态保护算法可以根据当前网络状态动态调整链路代价,使它们具有较高的资源利用率和较低的阻塞率。
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| 关 键 词： | 双链路失效 共享通路保护 共享链路保护 共享段保护 |
Research on protection algorithm for double-link failures in meshed WDM networks |
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| ZHANG Li-juan,GONG Jia-min. Research on protection algorithm for double-link failures in meshed WDM networks[J]. Journal of Xi'an Institute of Posts and Telecommunications, 2010, 15(3): 51-54 |
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| Authors: | ZHANG Li-juan GONG Jia-min |
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| Affiliation: | (School of Electronic Engineering,Xi＇an University of Posts and Telecommunications,Xi＇an 710121,China) |
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| Abstract: | We studied the shared path protection（SPP） and the shared link protection（SLP） under the condition of the double-link failures in meshed WDM networks.Furthermore,we presented a new protection method-shared segment protection（SSP） model,and analyzed the static and dynamic protection algorithm respectively.The dynamic protection algorithm can dynamically adjust link costs according to the current network status,so it has a higher resource utilization and lower blocking probability. |
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| Keywords: | double-link failures PSP LSP SSP |
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