| 光网络P圈保护方法分析 |
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| 引用本文： | 王杨杨,江上,方强.光网络P圈保护方法分析[J].数字通信,2012,39(6):12-14. |
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| 作者姓名： | 王杨杨 江上 方强 |
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| 作者单位： | 重庆邮电大学通信与信息工程学院重庆市光纤通信技术重点实验室,重庆,400065 |
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| 基金项目： | 国家自然科学基金，重庆市教委项目 |
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| 摘 要： | 在光网络中,节点和链路故障是光网络生存性的关键因素。P圈保护被认为是一种非常有前途的保护方式,有着高效、高速等特点。对光网络中的P圈保护单故障和多故障的策略和方式进行分析,并分析了基于树和基于段的光组播P圈保护策略。最后,指出P圈保护在未来光网络中的研究发展方向。
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| 关 键 词： | 光网络 P圈 生存性 保护 光组播 |
Method analysis of P-Cycle protection for optical network |
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| WANG Yangyang
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JIANG Shang
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FANG qiang.Method analysis of P-Cycle protection for optical network[J].Digital Communication,2012,39(6):12-14. |
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| Authors: | WANG Yangyang JIANG Shang FANG qiang |
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| Affiliation: | The Key Lab of optical fiber communications Technology, College of Information and Telecommunication Engineering, Chongqing University of Posts and Telecommunications, Chongqing 400065, P. R. China |
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| Abstract: | In the optical networks, the node failure or link failure are the key factors of optical network survivability. With high efficiency and high speed, p-Cycle is regarded as a promising protection method. In this paper, the strategy and method of P-cycle protection against the single failure and multiple failures are analyzed. And analysis is also made of the p-Cycle protection of optical multicast based tree and segment. Finally, key issues and directions of future study in this area are pointed out. |
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| Keywords: | Optical network P-cycle survivability protection optical multicast |
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