基于模糊集理论的光传输网络多故障恢复算法

2014 13th International Conference on Optical Communications and Networks (ICOCN) Pub Date : 2014-11-01 DOI:10.1109/ICOCN.2014.6987127

Yangxiao Wang, Xin Li, Yongli Zhao, Jie Zhang

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引用次数: 0

摘要

本文提出了一种基于模糊故障集的光传输网络多故障恢复机制。该方案继承了我们已经提出的基于模糊故障集的恢复机制，在恢复成功率和剩余网络风险资源之间进行了合理的权衡。在仿真中我们主要考虑链路故障，因为链路很可能失效。生存恢复方案分为恢复阶段和再恢复阶段两个阶段。重新恢复阶段旨在通过重新路由少量已经建立的光路来恢复更多的dlp(损坏的光路)。本文提出的再恢复机制可以进一步提高恢复成功率，并在多域波长交换光网络(WSON)高能效试验台上进行了仿真验证。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Multi-faults re-restoration algorithm based on fuzzy set theory in optical transport networks

In this paper, we propose a novel re-restoration mechanism based on fuzzy fault set under multi-faults in optical transport networks. This new scheme inherits from our already proposed FFS (fuzzy fault set) based restoration mechanism which is a reasonable trade-off between the recovery success rate and the remaining network risk resources. We mainly consider the link faults in the simulation because link is likely to fail. The survival restoration scheme is divided into two phase: restoration phase and re-restoration phase. The re-restoration phase aims at restoring more DLPs (damaged light paths) by rerouting a small number of already established light paths. The proposed re-restoration mechanism can further improve recovery success rate which has been verified by simulations on the energy efficient multi-domain WSON (wavelength switched optical network) test bed.

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2014 13th International Conference on Optical Communications and Networks (ICOCN)

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