云计算环境下的虚拟机快速克隆技术

被引:12
作者
郑婷婷 [1 ,2 ]
武延军 [1 ]
贺也平 [1 ]
机构
[1] 中国科学院软件研究所基础软件国家工程研究中心
[2] 中国科学院研究生院
关键词
云计算; 虚拟机; 克隆;
D O I
暂无
中图分类号
TP391.9 [计算机仿真];
学科分类号
080203 ;
摘要
虚拟机克隆技术是指在云计算环境下快速复制出多个虚拟机(VM)并将这些VM分发到多台物理主机上,克隆出来的VM共享相同的初始状态然后独立运行提供服务。虚拟机克隆使得云计算提供商能够快速有效地部署系统资源。给出了一种虚拟机快速克隆方法,利用写时拷贝技术来创建虚拟磁盘和内存状态的快照,然后用按需分配内存技术和多点传送技术来请求和传输这些状态信息。在C3云平台上的实验表明,此方法在不中断源虚拟机中运行服务的情况下,实现了云计算中的快速虚拟机克隆。
引用
收藏
页码:63 / 67
页数:5
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