基于信任评估的虚拟网故障诊断算法  

Virtual network fault diagnosis using trust evaluation

作　　者：刘娜[1] 张顺利 王向东 

机构地区：[1]中国电子技术标准化研究院软件工程与评估中心,北京100007 [2]中国移动通信集团山西有限公司,山西太原030032 [3]北京荣之联科技股份有限公司解决方案中心,北京100080

出　　处：《电视技术》2016年第4期80-84,共5页Video Engineering

摘　　要：网络虚拟化环境的新特点(网络拓扑动态变化、动态症状和故障关系、管理域独立和信息不准确性)对故障诊断提出了新的要求,提出一种改进的针对网络虚拟化环境下虚拟网和底层网故障诊断模型和诊断算法,通过虚拟网信任评估算法来提高故障诊断的准确率、降低误报率。仿真研究结果表明,在大规模和噪声大的虚拟网络环境中,提出的故障诊断算法取得了较好的诊断效果。The characteristics of virtual network bring new challenges to fault diagnosis, such as dynamic network topology, dynamic symptom-fauh causality, administrator domain independence and inaccurate information. In this paper, an improved fault diag- nosis monitoring model and algorithm are proposed to increase diagnosis accuracy and false alarm rate is reduced by using trust evaluations algorithm which includes two-stage evaluation within virtual network and substrate network. Simulation study shows the algorithm can get better diagnostic effect even in large-scale or noisy virtual network environment.

关 键 词：网络虚拟化 故障诊断 虚拟网 信任评估 

分 类 号：TN915[电子电信—通信与信息系统]