首页> 外文会议>International Symposium on Computer and Information Sciences(ISCIS 2005); 20051026-28; Istanbul(TR) >A Methodology of Resilient MPLS/VPN Path Management Under Multiple Link Failures
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A Methodology of Resilient MPLS/VPN Path Management Under Multiple Link Failures

机译:多链路故障下的弹性MPLS / VPN路径管理方法

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Recent advent of IP-based broadband networks makes the availability of information and communication service to network and system failures to become a critical issue. In this paper, we propose a dynamic MPLS VPN path management methodology which can rapidly find an optimal backup service path, while satisfying the TE resilience requirements from customers under multiple link failures. Specifically, we have derived the conditions for testing the availability of feasible backup paths satisfying the resilience constraints in a special MPLS VPN network in which the VPN path has monotonic property. We present fast VPN backup path construction algorithms which can dynamically make the MPLS VPN service to be available with minimal disruption, satisfying the resilience requirement from the customers. The simulation has been done to evaluate the performance of the approach.
机译:基于IP的宽带网络的最新出现使得信息和通信服务对于网络和系统故障的可用性成为一个关键问题。在本文中,我们提出了一种动态MPLS VPN路径管理方法,该方法可以快速找到最佳的备份服务路径,同时满足多链路故障下客户的TE弹性要求。具体来说,我们推导了测试条件,该条件用于测试在特殊的MPLS VPN网络中满足弹性约束的可行备份路径的可用性,其中VPN路径具有单调性。我们提出了快速的VPN备份路径构建算法,该算法可以动态地使MPLS VPN服务以最小的中断可用,从而满足客户的弹性要求。仿真已经完成,以评估该方法的性能。

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