Introduction Cloud Computing – Provisioning of computing infrastructure Move things to the cloud – Emerging area Potential to transform IT industry New aspects – Illusion of infinite computing resources on demand – Elimination of up-front commitment (start small and increase when needed) – Pay for use on a short-term basis as needed 1 server for 1000 hours = 1000 servers for 1 hour
Definition Clouding Computing – Pool of computational resources Clouds available in pay-as-you-go manner to public – Public Cloud Services offered in the cloud Amazon Web Services, Google AppEngine, Microsoft Azure, Dropbox, Gmail, Google Docs, SpiderOAK, Sugarsync… – Private cloud Internal datacenters of a business or organization
Cloud Advantages Service providers – Simplified software installation and maintenance – Centralized control over versioning – Elasticity End users – Services available anytime anywhere – Easy data sharing – Dynamic access to processor power – Failure resilience – Data locality
Opportunities Mobile interactive applications Parallel batch processing – Large experiments Analytics and OLAP – Datamining Extension of computing-intensive desktop apps – Matlab, Mathematica Dynamic resource allocation
Conclusions Cloud opportunities – New research topics Privacy in cloud Elasticity Billing Accountability Cloud challenges – Availability, Security, Elasticity… Cloud computing – Huge success – Opportunity to develop new models and applications – Migration of current services into the cloud
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