1. Cloud Services Today and the Future
Sameh Elnikety Microsoft Research Cambridge
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2. Cloud Services Today and the Future
Where is the money?
Sameh Elnikety Microsoft Research Cambridge
1 = 1280 * 800
2= * 768
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Presentation mode off, two screens

3. Big Opportunity Private cloud Public cloud Provision for peak load
Manage it (e.g., your own IT department)
Public cloud
Very large economy of scale
Statistical load multiplexing
Elasticity of resources for users
Cost associatively:
one server for 1000 hours = 1000 servers for one hour

4. Today Amazon EC2 Model Akamai Model Write your own code
Low-level services
Storage, CPU time, networking
Pay-as-you-go
Akamai Model
Tremendous success
Mainly read-only data
Static web pages
Images, audio & video

5. Tomorrow More high-level services Customized services
Infrastructure: S/W as a Service (SaaS)
E.g., inventory or reservation system
Very competitively priced (generic services)
Microsoft Azure / CloudDB, Oracle applications
Customized services
By IT intermediary using high-level services
Client locked-in
Likes of MS, IBM & HP client services
$$$ is here