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基于Web集群许可控制算法的自适应机制
An Adaptive Mechanism Based on Admission Control Algorithm of Web Cluster
【摘要】 指出了MRED算法的局限性,并利用一个二阶指数许可函数来设计非线性自适应控制算法,避免了单一静态阈值参数的不足,实现了许可控制的平滑化.实验仿真结果表明:该算法有效提高了集群利用率,避免了集群负载崩溃情况,提高了系统的稳定性与可靠性.
【Abstract】 By using a second order exponent accessing function,the nonlinear adaptive accessing control algorithm is designed to avoid the shortcoming of single static threshold parameters and to realize the flatness of accessing control. The simulation results show that it improves the utilizing ratio of cluster effectively, avoids balancing crash of cluster and enhances the stability and reliability of the system.
【关键词】 Web集群;
许可控制;
二阶指数自适应许可控制;
负载;
【Key words】 web cluster; admission control; second order exponent based adaptive admission control; load;
【Key words】 web cluster; admission control; second order exponent based adaptive admission control; load;
【基金】 湖南省教育厅科研资助项目(01C027)
- 【文献出处】 长沙电力学院学报(自然科学版) ,Journal of Changsha University of Electric Power(Natural Science) , 编辑部邮箱 ,2004年01期
- 【分类号】TP393.05
- 【下载频次】27