一种基于HLA分布式仿真系统的动态负载平衡算法  

Dynamic Load Balancing Algorithm in HLA-based Distributed Simulation System

作　　者：李雪[1] 贾明永[1] 郭锐[2] 

机构地区：[1]中国空空导弹研究院,河南洛阳471009 [2]中国舰船研究院,北京100192

出　　处：《指挥控制与仿真》2009年第3期91-93,共3页Command Control & Simulation

摘　　要：基于兴趣域的"快递式"动态负载平衡算法从HLA/RTI提供的服务出发,当节点成为重载节点时,将节点部分负载转移到兴趣域内的轻载节点上,同时采用两次"握手"方式解决了负载迁移过程中出现的问题。通过使用两个评价参数——CPU占有率和内存使用率进行实验证明,负载平衡前后重载节点的CPU利用率和内存使用率有明显差别,结果表明该方法能有效地平衡系统各节点之间的负载,保证系统的实时性,提高系统的服务质量。The express load balancing algorithm based on area of interest starts from the service provided by HLA/RTI, migrates some load from heavy node to light node in area of interest. Meanwhile, the method uses twice ＂handshake＂ to solve the problem appearing during the load migration process. By using two evaluation parameters, the CPU usage and the memory usage prove that the heavy load node＇s CPU usage and memory usage varies obviously before and after load balancing. The result shows the express toad balancing algorithm can effectively balance load among nodes, ensure the system＇s real-time, and increase the system＇s service quality.

关 键 词：订购兴趣域 更新兴趣域 快递式 负载迁移 负载平衡 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]