1Mell P, Granee T. The NIST Definition of Cloud Computing Version 15[M]. White Paper,V15. 2009.
2Armbrust M,Fox A,Grith R,et al. Above the clouds: A Berke- ley View of Cloud Computing[R]. CB/E[CS-2009-28.Berley, USA: Electrical Engineering and Computer Sciences, University of California at Berkeley,2009.
3Vaquero 1., Rodero-Marino L, Caeeres J, et al. A break in the clouds towards a cloud definition[J]. SIGCOMM Computer Communication Review, 2009,39( 1 ) : 50-55.
4Amazon Web Scrvices[NB/OL]. http://aws, amazon, com/.
