Cloud Computing

1
Cloud Computing

• Development and use of IT (computing) on the
  Internet ("cloud)
• Or simply, hosted services over the Internet
• Infrastructure
• Cluster of virtual servers or storage devices
• Platform
• An environment with basic software
• Application
• E.g., Software as a Service (SaaS)

2
Software as a Service (SaaS)

• a specific vendor offering its application to
  multiple customers
• E.g., Salesforce.com

3
Software as a Service (SaaS)
4
Software as a Service (SaaS)