本文選題：全光網(wǎng) + 故障定位　； 參考：《西安電子科技大學(xué)學(xué)報》2016年06期

【摘要】：寬帶業(yè)務(wù)的飛速發(fā)展推動著光網(wǎng)絡(luò)向著超大容量、超高速率方向演進.與此同時,在透明節(jié)點增加、光電再生設(shè)備減少的全光網(wǎng)絡(luò)中,多故障定位的非完全多項式屬性、網(wǎng)絡(luò)拓?fù)涞膹?fù)雜性以及承載業(yè)務(wù)的多樣性使得故障定位變得尤為困難.如何根據(jù)收集的告警信息,確切地找出故障的準(zhǔn)確數(shù)目及其位置成為網(wǎng)絡(luò)管理人員的難題.針對全光網(wǎng)中故障與告警的關(guān)系展開研究,在多故障定位的相關(guān)方向上完成了采用可信度推理方法對故障與告警之間的復(fù)雜映射關(guān)系進行梳理,建立了一種多故障條件下全光網(wǎng)故障定位模型,并以此為基礎(chǔ),提出了基于模糊隸屬度以及聯(lián)合可信度的兩種啟發(fā)式故障定位算法.通過不同的網(wǎng)絡(luò)拓?fù)湟约芭c其他的算法對比,對這兩種算法以及可信度模型的正確性進行了驗證.仿真結(jié)果表明,該模型能夠很好地處理多故障定位問題的不確定性,且定位性能優(yōu)越,具有很強的實際意義.
[Abstract]:The rapid development of broadband services promotes the evolution of optical networks towards super-capacity and ultra-high speed. At the same time, in the all-optical network with the increase of transparent nodes and the decrease of optoelectronic regeneration equipment, the non-complete polynomial attributes of multi-fault location, the complexity of network topology and the diversity of carrying services make fault location more difficult. It is difficult for network managers to find out the exact number and location of faults according to the alarm information collected. Based on the research of the relationship between fault and alarm in all-optical network, the credibility reasoning method is used to sort out the complex mapping relationship between fault and alarm in the direction of multi-fault location. In this paper, a fault location model for all-optical network under multi-fault condition is established. Based on this model, two heuristic fault location algorithms based on fuzzy membership and joint reliability are proposed. The correctness of the two algorithms and the credibility model are verified by different network topologies and comparison with other algorithms. The simulation results show that the model can deal with the uncertainty of multi-fault location problem well, and the location performance is superior, which is of great practical significance.
【作者單位】： 西北師范大學(xué)物理與電子工程學(xué)院;北京郵電大學(xué)信息光子學(xué)與光通信教育部重點實驗室;
【分類號】：TN929.1

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