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The Cloud Computing Stack


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Four simple slides, illustrating the basic three-layer model for the Cloud Computing stack

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The Cloud Computing Stack

  1. 1. Traditional 3 layer model - there are plenty of others! Software/Application [as a Service] (SaaS) Platform [as a Service] (PaaS) Infrastructure [as a Service] (IaaS) Friday, March 6, 2009
  2. 2. outsource raw infrastructure - avoid significant CapEx scale to meet demand - Eli Lilly, payroll SaaS - IBM Blue Cloud hybrid PaaS Infrastructure as a Service (IaaS) computers (Amazon EC2, Rackspace, GoGrid...) storage (Amazon S3, MobileMe, Google Drive...) Elasticity (Rightscale…) Bandwidth (Limelight, Amazon CloudFront…) Electricity Cooling etc. Friday, March 6, 2009
  3. 3. ‘does heavy lifting’ concentrate on your app’s USP SaaS Platform as a Service (PaaS) Salesforce Apprenda SaaSGrid Google App Engine Microsoft Azure Appistry Talis Platform IaaS Friday, March 6, 2009
  4. 4. light weight applications, delivered over Web mostly low-end disruptors for now... Software as a Service (SaaS) Google Apps, Zoho, Kashflow, Sage Live MobileMe PaaS IaaS Friday, March 6, 2009