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Outline Introduction (It was what we just seen) Cloud computing? Advantages Drawbacks Cloud computing in practice (case study) Results of a survey Live demo of vir tualization Conclusion
Cloud Computing?Why they call it « cloud computing » ?Architecture Resource Growth Rate T i me t o u t i l i z a t iComparaison : Classical Model VS Cloud Model o n Ex c e s s Ca p a c i t y Pu r c h a s e d Traditional IT Growth Pattern Cloud Growth Pattern Time
AdvantagesOptimizing IT servicesScalabilitySelf-Service Business-Model
DrawbacksInability to manage risksLack of interoperabilityMarket immaturity
Three layers Examples Software Google docs, Facebookas a Service (SaaS) Platform Google App Engineas a Service (PaaS) Infrastructure Amazon Web Sevicesas a Service (IaaS)