CloudComputing
What is cloud computing?“.. use of computing resources (hardware   and software) that are delivered as a   service over a ...
Common Ground?• Pay-per-use (no commitment).• Elastic capacity – scale up/down on  demand.• Resources are virtualized.
Service Models•   Infrastructure as a Service (IaaS)•   Platform as a Service (PaaS)•   Software as a Service (SaaS)•   St...
Infrastructure as a ServiceProviders offer computers, as physical or  more often virtual machines, and other  resources.Bi...
Platform as a ServiceProviders provide a computing platform  and a solution stack as a service.Billing on a utility comput...
Software as a ServiceProviders install and operate application  software in the cloud.Users do not manage the infrastructu...
Storage as a ServiceService providers rents space in their  storage infrastructure.Billed on a utility computing basis.Exa...
Database as a ServiceProviders provide hosted and managed  database as a service.Billing on a utility computing basis.Exam...
Why Cloud?•   Cost Efficient•   Reliability•   Scalability and elasticity•   Performance•   Security•   Maintenance
Who are using cloud?•   GitHub (Rackspace)•   Instagram (Amazon)•   Foursquare (Amazon)•   Appfog (Rackspace)•   Unilever ...
Thank You
QUESTIONS
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Cloud computing

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Cloud computing

  1. 1. CloudComputing
  2. 2. What is cloud computing?“.. use of computing resources (hardware and software) that are delivered as a service over a network (typically the Internet).” – Wikipedia“.. a pay-per-use model for enabling available, convenient, on-demand network access to a shared pool of configurable resources.” - NIST
  3. 3. Common Ground?• Pay-per-use (no commitment).• Elastic capacity – scale up/down on demand.• Resources are virtualized.
  4. 4. Service Models• Infrastructure as a Service (IaaS)• Platform as a Service (PaaS)• Software as a Service (SaaS)• Storage as a Service (STaaS)• Database as a Service (DBaaS)
  5. 5. Infrastructure as a ServiceProviders offer computers, as physical or more often virtual machines, and other resources.Bill IaaS services on a utility computing basis, that is, cost reflects the amount of resources allocated and consumed.Example : Amazon EC2, Rackspace Cloud
  6. 6. Platform as a ServiceProviders provide a computing platform and a solution stack as a service.Billing on a utility computing basisExample : Google app engine, Heroku, Appfog
  7. 7. Software as a ServiceProviders install and operate application software in the cloud.Users do not manage the infrastructure and platform which the application is running.Billing is yearly and monthly.Example : Gmail, Facebook
  8. 8. Storage as a ServiceService providers rents space in their storage infrastructure.Billed on a utility computing basis.Example : Amazon S3, Rackspace Cloud Storage
  9. 9. Database as a ServiceProviders provide hosted and managed database as a service.Billing on a utility computing basis.Example : Mongolab, Rackspace Cloud Database
  10. 10. Why Cloud?• Cost Efficient• Reliability• Scalability and elasticity• Performance• Security• Maintenance
  11. 11. Who are using cloud?• GitHub (Rackspace)• Instagram (Amazon)• Foursquare (Amazon)• Appfog (Rackspace)• Unilever (Amazon)
  12. 12. Thank You
  13. 13. QUESTIONS
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