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《Study on Optical Communications》 2009-04
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A novel dynamic shared path protection algorithm in WDM optical networks

Hu Gangyi,Mao Qijian,Wang Ruyan,Yan Hong(Key Lab of Optical Fiber Communication Technology,CQUPT,Chongqing 400065,China)  
The concept of Shared Risk Link Group(SRLG) is introduced into WDM optical networks,requiring that the work path and the protection path should not exist in one and same SRLG.This article proposes an SRLG constraint-based dynamic shared path protection algorithm that satisfies the Dynamic Link Weight Configuration(DLWC) of K pairs services,called.K-DLWC algorithm.The key to this algorithm lies in the use of the concept of routing options,which can be used to synthetically cope with such key issues as SRLG constraints and local optimization in calculating the work path and the protection path.
【Fund】: 国家“八六三”计划资助项目(2005AA122310);; 重庆市科委资助项目(2005AC2089);; 重庆市教委资助项目(KJ070511)
【CateGory Index】: TN929.1
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【Citations】
Chinese Journal Full-text Database 3 Hits
1 HE Rong-xi,ZHANG Zhi zhong,LI Le min,WANG Sheng(National Key Lab of Broadband Optical Fiber Transmission and Communication Networks,UESTC,Chengdu,Sichuan 610054,China);A Shared Path-Protection Algorithm in IP/MPLS over WDM Networks Under Shared-Risk-Link-Groups Constraints[J];Acta Electronica Sinica;2002-11
2 Yang Guirong,Zhang Pei,Huang Shanguo,Zhang Jie,Gu Wanyi(Key Laboratory of Optical Communication and Lightwave Technologies,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China);A SRLG-based dynamic shared-path protection algorithm[J];Study on Optical Communications;2007-04
3 JIANG Chao, ZHANG Pei, ZHANG Yong-jun, GU Wan-yi (Beijing University of Posts and Telecommunications, Key laboratory of Optical Communication and Lightwave Technologies, Ministry of Education, Beijing 100876,China);The shared path-protection algorithm based on uncorrelated shared risk link groups[J];Optical Communication Technology;2007-07
【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 HE Rong-xi (College of Information Engineering, Dalian Maritime University Dalian Liaoning 116026);An Adaptive Protection Algorithm with Joint Optimization in WDM Networks[J];Journal of University of Electronic Science and Technology of China;2006-05
2 ZHANG Pei,WAN Li-hong,LIU Yuan,GU Wan-yi(Key Laboratory of Optical Communication and Lightwave Technologies, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876,China);The Study of Shared Protection Algorithms Under Share Risk Link Group Constraints[J];Acta Photonica Sinica;2007-03
3 Yang Guirong,Zhang Pei,Huang Shanguo,Zhang Jie,Gu Wanyi(Key Laboratory of Optical Communication and Lightwave Technologies,Ministry of Education,Beijing University of Posts and Telecommunications,Beijing 100876,China);A SRLG-based dynamic shared-path protection algorithm[J];Study on Optical Communications;2007-04
4 Deng Qiuhong,Yu Hongfang,Wang Sheng (Key Laboratory of Brodband Optical Fiber Transmission and Communication Networks UEST of China, Ministry of Education Chengdu 610054);Survivability of WDM Optical Network and Performance of Different Protection Algorithms[J];Journal of University of Electronic Science and Technology of China;2004-06
5 ZHENG Yabin 1 ,XIANG Peng 2 (1.Postgraduate Team 3 ICE, PLAUST, Nanjing 210007; 2.Department of Telecommunication Engi neering ICE,PLAUST, Nanjing 210007 ,);The Realization of Dynamic RWA in WDM Optical Network[J];Photon Technology;2006-04
6 Guo Lei Yu Hong-fang Li Le-min (Key Lab of Broadband Optical Fiber Transmission and Communication Networks, UESTC, Chengdu 610054, China);A Shared Sub-path Protection for a Single-SRLG Failure in Survivable WDM Networks[J];Journal of Electronics and Information Technology;2005-07
7 DU Li, DANG Ai-min (Northeastern University, Shenyang 110004, China);Research on Dynamic Distributed Routing Algorithm for WDM Mesh Networks Based on GMPLS[J];Journal of Atmospheric and Environmental Optics;2006-02
8 HU Gang-yi,MAO Qi-jian,YAN Hong(Key Lab of Optical Fiber Communication Technology,Chongqing Universi ty of Posts and Telecommunications,Chongqing 400065,China);Dynamic Shared Path Protection Algorithm Based on SRLG Constraint in WDM Optical Network[J];Electro-Optic Technology Application;2009-02
9 XIANG Peng,WANG Rong(Institute of Communications Engineering,PLA Univ.of Sci.& Tech.,Nanjing 210007,China);Dynamic path-protection RWA algorithms in optical network under SRLG constraints[J];Journal of PLA University of Science and Technology(Natural Science Edition);2007-03
10 ZHENG Ya-bin1,WANG Rong2,XIANG Peng2,YANG Qian-kun1(1.Postgraduate Team 3 ICE,PLAUST,Nanjing 210007,China;2.Department of Telecommunications Engineering ICE,PLAUST);Simulation Study on Dynamic Routing and Wavelength Assignment Algorithm in WDM Optical Networks[J];Journal of Military Communications Technology;2007-02
China Proceedings of conference Full-text Database 1 Hits
1 YUAN Li Guangzhou Depatment of Guangdong Telecom Limited Company;A Study of Survivability of ASON[A];[C];2007
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 HE Rong-xi,ZHANG Zhi zhong,LI Le min,WANG Sheng(National Key Lab of Broadband Optical Fiber Transmission and Communication Networks,UESTC,Chengdu,Sichuan 610054,China);A Shared Path-Protection Algorithm in IP/MPLS over WDM Networks Under Shared-Risk-Link-Groups Constraints[J];Acta Electronica Sinica;2002-11
2 XU Shi-zhong,LI Le-min,WANG Sheng (National Key Lab of Broadband Optical Fiber Transmission and Communication Netw orks,UESTC,Chengdu 610054,China);Dynamic Routing and Assignment of Wavelength Algorithms in Multi-Fiber WDM Networks[J];ACTA ELECTRONICA SINICA;2000-07
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