1. The NIST Definition of Cloud Computing;Mell,2011
2. Elasticity in cloud computing: what is and what is not?;Herbst,2013
3. A survey on cloud computing elasticity;Galante,2012
4. Inter cloud blueprint for the inter cloud protocols and formats for cloud computing interoperability;Bernstein,2009
5. Multi-cloud: expectations and current approaches;Petcu,2013