Above the Clouds: A Berkeley View of Cloud Computing
-Executive Summary
-Cloud Computing: An Old Idea Whose Time Has (Finally) Come
-What is Cloud Computing?
-Clouds in a Perfect Storm: Why Now, Not Then?
-New Application Opportunities
-Classes of Utility Computing
-Cloud Computing Economics
-Comparing Costs: Should I Move to the Cloud?
-Top 10 Obstacles and Opportunities for Cloud Computing
-Number 2 Obstacle: Data Lock-In
-Number 3 Obstacle: Data Confidentiality and Auditability
-Conclusion and Questions about the Clouds of Tomorrow
