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The Cloud Computing Stack
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)
cloudofdata.com
Friday, March 6, 2009
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.
cloudofdata.com
Friday, March 6, 2009
3. ‘does heavy lifting’
concentrate on your app’s USP
SaaS
Platform as a Service (PaaS)
Salesforce force.com
Apprenda SaaSGrid
Google App Engine
Microsoft Azure
Appistry
Talis Platform
IaaS
cloudofdata.com
Friday, March 6, 2009
4. light weight applications, delivered over Web
mostly low-end disruptors for now...
Software as a Service (SaaS)
Google Apps, Zoho
Acrobat.com, iWork.com
Kashflow, Sage Live
WordPress.com
MobileMe
Salesforce.com
PaaS
IaaS
cloudofdata.com
Friday, March 6, 2009