1. Luo, Y.: Network I/O Virtualization for Cloud Computing in Plastics. IT Professional 12, 536–541 (2010)
2. A History of Cloud Computing,
http://www.cloudtweaks.com/2011/02/a-history-of-cloud-computing
3. Google,
http://code.google.com/intl/zh-CH/appengine/docs/
4. Amazon,
http://docs.amazonwebservices.com/AWSEC2/lastest/DeveloperGuide/
5. Microsoft,
http://www.microsoft.com/azure/whitepaper.mspx