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中文摘要：
提出了一种运用于多域全光网络的多链路故障定位机制。该机制根据网络中的告警信息确定多链路故障发生域；通过边界节点收集的监测信息和告警信息定位域问多链路故障；对于域内多链路故障，在分离各单故障后基于LVM协议进行故障定位。仿真结果表明，该机制不仅能够快速定位多域全光网络中的域间、域内多链路故障，而且具有较高的故障定位率。
英文摘要：
Proposed a fast fault localization mechanism for localizing multi-link failures in multi-domain all optical networks. The inter-domain multi-link failures are located according to the alarm and monitoring information. And the disrupted lightpaths are separated into small perimeter areas of each domain to locate the intra-domain multi-link failures based on the limited perimeter vector match （LVM） protocol. The simulation results indicate that this mechanism has feature of fast fault localization and it can achieve high localization rate of multi-link failures for multi-domain all-optical networks.
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