先找到两个大佬博客 进行学习
http://www.cnblogs.com/BloodAndBone/archive/2010/11/02/1866907.html
https://www.cnblogs.com/sammyliu/articles/4389717.html
云计算实践之虚拟化技术介绍http://www.cnblogs.com/ventlam/archive/2010/10/09/1846862.html