| 支持多故障恢复的MPLS快速重路由 |
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| 引用本文： | 任金秋,ZHANG Jian-hui,汪斌强.支持多故障恢复的MPLS快速重路由[J].计算机工程与设计,2008,29(15). |
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| 作者姓名： | 任金秋 ZHANG Jian-hui 汪斌强 |
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| 作者单位： | 国家数字交换系统工程技术研究中心,河南,郑州,450002 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 分析了传统MPLS快速重路由应对多故障环境的不足,提出一种支持MPLS域并发多故障时快速恢复的重路由策略.通过有限洪泛故障信息,使本地修复的节点掌握有限范围内节点、链路的可用性信息,并通过建立主,从备份路径,保证MPLS层有效的恢复及较快的切换速度.理论分析及实验结果表明了该方法的可行性和有效性.
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| 关 键 词： | 多协议标记交换 多故障 快速重路由 洪泛 备份路径 |
Fast recovery from multi-failure patterns in MPLS networks |
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| REN Jin-qiu,ZHANG Jian-hui,WANG Bin-qiang.Fast recovery from multi-failure patterns in MPLS networks[J].Computer Engineering and Design,2008,29(15). |
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| Authors: | REN Jin-qiu ZHANG Jian-hui WANG Bin-qiang |
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| Affiliation: | REN Jin-qiu,ZHANG Jian-hui,WANG Bin-qiang(National Digital Switching System Engineering , Technological Research Center,Zhengzhou 450002,China) |
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| Abstract: | To adapt traditional MPLS fast reroute mechanism to deal with multiple element failures in MPLS networks while overcoming its weakness.It is achieved by flooding failure information in a controlled range to make the point of local recovery know the availability of links and routers in that range.Primary and secondary bypass tunnels are pre-computed and signaled for rapidly traffic switching and effective restoration.The theoretic analysis and experimental results show that the method is feasible and effecti... |
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| Keywords: | MPLS multi-failure fast reroute flooding backup |
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