m:n策略下的MPLS網(wǎng)絡(luò)故障恢復(fù)性能評估
Performance Evaluation on Fault Restoration in MPLS Networks with m:n Architecture
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摘要: 該文針對MPLS網(wǎng)絡(luò)的m:n故障恢復(fù)策略,定義了故障恢復(fù)性能評估參量,提出了一種帶寬約束下的快速故障恢復(fù)機制,給出了分析模型,并對局部、部分路徑及全路徑保護時的網(wǎng)絡(luò)故障恢復(fù)性能進行了分析比較.給出的分析模型同樣適于1﹢1,1:1,1:n結(jié)構(gòu)下MPLS網(wǎng)絡(luò)的故障恢復(fù)性能分析.
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關(guān)鍵詞:
- MPLS;性能評估;故障恢復(fù);m:n結(jié)構(gòu)
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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