... Define Cloud Computing , SYS-CON Media Inc, http://cloudcomputing.sys-con.com/read/612375_p.htm, 2008. [2] Foster, I. and Yong Zhao and Raicu, I. and Lu, S., " ;Cloud Computing and Grid Computing ... Abstract Cloud computing is the next generation of computing paradigm. Along with cloud computing, many related problems come up. And these problems in turn slow the speed of the development of cloud ... oriented architecture (SOA) for computing resources. Cloud computing is a quit new computing paradigm and infrastructure and there is little consensus on how to define the Cloud [1]. Ian Foster et al....