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参考
http://www.aboutyun.com/thread-5237-1-1.html
http://www.enet.com.cn/article/2013/0702/A20130702294145_2.shtml
http://www.chinacloud.cn/show.aspx?id=21566&cid=17
Openstack回顾
原文地址:http://www.cnblogs.com/neversayno/p/5867535.html