m:n策略下的MPLS网络故障恢复性能评估
Performance Evaluation on Fault Restoration in MPLS Networks with m:n Architecture
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摘要: 该文针对MPLS网络的m:n故障恢复策略,定义了故障恢复性能评估参量,提出了一种带宽约束下的快速故障恢复机制,给出了分析模型,并对局部、部分路径及全路径保护时的网络故障恢复性能进行了分析比较.给出的分析模型同样适于1﹢1,1:1,1:n结构下MPLS网络的故障恢复性能分析.
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关键词:
- MPLS;性能评估;故障恢复;m:n结构
Abstract: In this paper, an efficient and fast fault restoration mechanism based on m : n architecture with bandwidth constraints is proposed while three evaluating parameters are selected and formulated. The comparison of restoration performance, which is based on different protection range such as local restoration, partial path restoration arid path restoration, is given. Also the proposed analytical algorithm can be applied to evaluate the restoration performance of MPLS networks when based on 1+1, 1:1 or 1 : n architecture. -
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