| A novel data channel fault detection mechanism in optical burst switching networks |
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| 作者姓名： | 常交法 Wang Ruyan Long Keping Yang Xiaolong Lv Kewei Duan Zhenying |
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| 作者单位： | [1]Special Research Centre for Optical Intemet and Wireless Infonnation Networks, Chongqing University of Posts and Telecom, Chongqing 400065, P.R. China [2]Patent Examination Cooperation Center of State Intellectual Property Office of PRC, Beijing 100083, P.R. China [3]School of Communication and Infonnation Engineering, University of Electronic Science and Technology of China, Chengdu 610054, P.R. China |
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| 基金项目： | 国家自然科学基金
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国家高技术研究发展计划(863计划)
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the Projects of the Science and Technology Council of Chongqing |
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| 摘 要： | Fault detection in optical burst switching （OBS） networks will be a challenging task in the future. A novel mechanism based on probe burst （PB） and a new key concept is proposed to detect faults of OBS networks by sampling the health of data channels, which solve the difficulty of optical monitoring schemes while keeps the transparency of data network to Internet protocol （IP） packets. It takes full advantage of the characteristics of OBS, including architecture and signalling scheme, and introduces the excellent performances of single-hop-test used in electrical communication networks into OBS environment while avoids the shortcoming that any optical burst must undergo an optical-electric-optical （OEO） conversion. Well designed PB can provide exact criterion for judging whether protection/restoration should be excuted according to hard or soft fault identification.
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| 关 键 词： | 光突发交换 故障检测 故障管理 光学网络 |
| 修稿时间： | 2006-12-14 |
A novel data channel fault detection mechanism in optical burst switching networks |
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| Chang Jiaofa,Wang Ruyan,Long Keping,Yang Xiaolong,Lv Kewei,Duan Zhenying.A novel data channel fault detection mechanism in optical burst switching networks[J].High Technology Letters,2007,13(3):307-311. |
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| Authors: | Chang Jiaofa Wang Ruyan Long Keping Yang Xiaolong Lv Kewei Duan Zhenying |
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| Institution: | 1. Special Research Centre for Optical Internet and Wireless Information Networks, Chongqing University of Posts and Telecom, Chongqing 400065, P.R. China;Patent Examination Cooperation Center of State Intellectual Property Office of PRC, Beijing 100083, P.R
2. Special Research Centre for Optical Internet and Wireless Information Networks, Chongqing University of Posts and Telecom, Chongqing 400065, P.R. China |
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| Abstract: | Fault detection in optical burst switching (OBS) networks will be a challenging task in the future. A novel mechanism based on probe burst (PB) and a new key concept is proposed to detect faults of OBS networks by sampling the health of data channels, which solve the difficulty of optical monitoring schemes while keeps the transparency of data network to Internet protocol (IP) packets. It takes full advantage of the characteristics of OBS, including architecture and signalling scheme, and introduces the excellent performances of single-hop-test used in electrical communication networks into OBS environment while avoids the shortcoming that any optical burst must undergo an optical-electric-optical (OEO) conversion.Well designed PB can provide exact criterion for judging whether protection/restoration should be excuted according to hard or soft fault identification. |
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| Keywords: | optical burst switching (OBS) fault detection fault management all-optical network probe burst(PB) |
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