桌面虚拟化软件服务器冗余故障自修复仿真  

Simulation of Desktop Virtualization Software Server Redundancy Fault Self Repair

作　　者：王宇[1] 孙慕华 WANG Yu;SUN Mu-hua(Beijing Jiaotong University,Beijing 100093,China)

机构地区：[1]北京交通大学,北京100093

出　　处：《计算机仿真》2021年第3期425-429,共5页Computer Simulation

摘　　要：为了用最快的速度修复桌面虚拟化软件服务器故障,对服务器冗余系统深入研究,提出一种桌面虚拟化软件服务器冗余故障自修复方法。基于连续时间马尔可夫链分析桌面虚拟化软件与服务器冗余系统结构特征,将服务器冗余系统诊断划分为六元组,建立测试成本均值最小优化目标函数,运用最优AO*方法获得基本决策树,标记处理叶节点,实现服务器冗余系统故障诊断;把故障修复模式划分成协议扩展、状态同步两种情况,并使用连续时间马尔可夫链分别建模,在服务器冗余系统能量总值有限状况下,分配合理能量给故障节点,完成故障自修复。实验结果证明,所提方案能有效提升故障自修复效率,可用性强,适用于多类型桌面虚拟化软件,为用户提供更优质的操作体验。In order to quickly repair the fault of desktop virtualization software server,this paper puts forward a self-repairing method for redundant fault of desktop virtualization software server.According to the continuous time Markov chain,the structural characteristics of desktop virtualization software and server redundancy system were analyzed in detail.The diagnosis of server redundancy system was divided into six tuples,and the minimum test cost objective function was established.The optimal AO*method was used to obtain the basic decision tree.The processing leaf node was marked to realize fault diagnosis of server redundant system.Fault repair mode was divided into protocol extension and state synchronization,and continuous time Markov chain was used to model separately.Under the condition that the total energy of the server redundant system was limited,the energy was reasonably allocated to the fault node,and the fault self-repair was completed.The simulation results show that the scheme designed in this paper has excellent applicability,can effectively improve the efficiency of fault self-repair,providing users with better operation experience.

关 键 词：虚拟化软件 服务器冗余 故障诊断 自修复 连续时间马尔可夫链 

分 类 号：TP386[自动化与计算机技术—计算机系统结构]