高性能服务器集群部署系统传输模型研究

被引:7
作者
薛正华 [1 ]
董小社 [1 ]
胡雷钧 [2 ,3 ]
伍卫国 [1 ]
机构
[1] 西安交通大学计算机科学与技术系
[2] 高效能服务器和存储技术国家重点实验室
[3] 浪潮电子信息产业股份有限公司
关键词
服务器集群; 部署; 动态流水线;
D O I
暂无
中图分类号
TP368.5 [服务器、工作站];
学科分类号
081201 ;
摘要
对基于映像的集群部署系统传输模型进行了研究,提出了基于多叉树的TFTP传输模型以解决TFTP服务器性能瓶颈问题.依据集群规模增大、系统平均带宽下降的特点,提出了基于带宽受损的动态流水线模型,模型给出了节点到达率和部署系统性能的关系.通过数学解析法、数值模拟法和实际测试对模型进行了验证.为使所提模型具有较好的可扩展性,以交换机为单位对系统进行分域,各域并行工作.作者对文中所提模型与其它3种映像传输模型———组播、可靠组播和BT进行了测试比较,结果表明,组播和可靠组播的性能较优,但可靠性难以保障,不适合传输映像文件,基于带宽受损的动态流水线模型有较高的可靠性且性能优于BT,其部署596MB的映像到48个服务器的时间仅为17.2s.
引用
收藏
页码:1956 / 1964
页数:9
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