云计算环境中在线迁移技术研究

被引:4
作者
兰雨晴 [1 ,2 ]
申骞 [2 ]
刘铭 [2 ]
机构
[1] 北京航空航天大学计算机学院
[2] 上海中标软件有限公司
关键词
虚拟化; 云计算; 在线迁移;
D O I
暂无
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
在线迁移技术在虚拟化中有着非常广泛的应用。目前,主流的在线迁移工具都依赖于物理主机之间采用集中式共享外存设备,而在云计算环境中,许多计算机系统各自独立拥有本地外存,这就给迁移技术在云计算环境中的应用带来了一定的限制。本文在研究云计算及在线迁移技术的基础上,分析了云计算环境中在线迁移技术的原理与局限性,提出了基于Xen虚拟机的全系统在线增量迁移的设计与实现方法,并通过实验进行了性能分析,总结了优化迁移性能的一些方法。全系统在线增量迁移摆脱了原有迁移技术对外存设备的依赖,进一步拓宽了其在云计算环境中的应用范围。
引用
收藏
页码:90 / 94
页数:5
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