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DOI:
Journal of Software:2010.21(7):1589-1604

互联网无中断转发的生存性路由协议
苏金树,胡乔林,赵宝康
(国防科学技术大学 计算机学院,湖南 长沙 410073)
Disruption-Free Forwarding Survivable Routing Protocols on Internet
SU Jin-Shu,HU Qiao-Lin,ZHAO Bao-Kang
()
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Received:September 08, 2009    Revised:December 29, 2009
> 中文摘要: 互联网逐渐成为通信基础设施并承载了更多的关键业务流量,即使瞬时中断也会对某些应用造成巨大损失.然而,传统路由协议在出现链路/节点故障等拓扑变化时存在收敛时间长、瞬时不可达以及环路的问题.实际测量发现,路由瞬时失效相当普遍.因此,研究人员提出多种能够保证流量无中断转发和快速恢复的路由协议.在分析瞬时失效现象以后,提出了生存性路由协议的分类方法,重点对一些重要的路由协议的核心路由机制进行深入分析,并比较其特点、性能、开销等.最后,结合该领域研究现状以及存在的问题,指出未来生存性路由的研究重点.
Abstract:Internet is becoming the infrastructure and starts to carry more critical mission traffic where even a short disruption can cause significant losses for certain applications. Nevertheless, traditional route protocols have the problem of long convergence delay, transient unreachability and loop upon the network topology changes due to links/nodes failure or various other reasons. Unfortunately, the transient routing failures are very common according to the experimental studies. Numerous routing protocols which can provide disruption-free forwarding and fast recovery have been proposed. This paper firstly studies the root cause of transient failures, and then presents classification standards for survivable routing protocols. Thereafter, it focuses on analyzing the fundamental mechanism of existing representative survivable routing protocols and comparing their characteristics, performance and overhead. Finally, the current research status and open research issues are concluded.
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基金项目:Supported by the National High-Tech Research and Development Plan of China under Grant No.2008AA01A325 (国家高技术研究发展计划(863)); the National Basic Research Program of China under Grant No.2009CB320503 (国家重点基础研究发展计划(973)) Supported by the National High-Tech Research and Development Plan of China under Grant No.2008AA01A325 (国家高技术研究发展计划(863)); the National Basic Research Program of China under Grant No.2009CB320503 (国家重点基础研究发展计划(973))
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苏金树,胡乔林,赵宝康.互联网无中断转发的生存性路由协议.软件学报,2010,21(7):1589-1604

SU Jin-Shu,HU Qiao-Lin,ZHAO Bao-Kang.Disruption-Free Forwarding Survivable Routing Protocols on Internet.Journal of Software,2010,21(7):1589-1604