Projects(61202004,61272084)supported by the National Natural Science Foundation of China;Projects(2011M500095,2012T50514)supported by the China Postdoctoral Science Foundation;Projects(BK2011754,BK2009426)supported by the Natural Science Foundation of Jiangsu Province,China;Project(12KJB520007)supported by the Natural Science Fund of Higher Education of Jiangsu Province,China;Project(yx002001)supported by the Priority Academic Program Development of Jiangsu Higher Education Institutions,China
Private clouds and public clouds are turning mutually into the open integrated cloud computing environment,which can aggregate and utilize WAN and LAN networks computing,storage,information and other hardware and soft...