The document discusses cloud computing, defining it based on standards from the National Institute of Standards and Technology (NIST) and highlighting benefits such as on-demand self-service, cost reduction, and flexibility. It also addresses business drivers for adopting cloud solutions, challenges faced during adoption, and the importance of scaling in response to demand. The content provides an overview of when cloud computing is suitable for enterprises and encourages further discussion on the topic.

1. Cloud Computing
The future is in the sky
Steinar Årdal
Capgemini Norge Together. Free your energies Cloud Computing | The way to we do it
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2. Agenda
Introduction
Concepts of Cloud Computing
Business Drivers and Examples
Where to start
Question & Answers
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3. From Technology Trigger to Peak of Inflated Expectations
Gartner Hype Cycle for Emerging Technologies, 2008
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4. From Technology Trigger to Peak of Inflated Expectations
Gartner Hype Cycle for Emerging Technologies, 2009
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5. Agenda
Introduction
Concepts of Cloud Computing
Business Drivers and Examples
Where to start
Question & Answers
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6. Definition of Cloud Computing
National Institute of Standards and Technology (NIST)
On-demand self-service
Standard network access
Location independent resource pooling
Rapid elasticity
Pay per use
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7. Definition of Cloud Computing
National Institute of Standards and Technology (NIST)
BPaaS
Business Process as a Service Not a NIST model
but widely agreed
SaaS
Hybrid
Software as a Service
PaaS
Platform as a Service
IaaS
Infrastructure as a Service
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8. Definition of Cloud Computing
National Institute of Standards and Technology (NIST)
Hybrid
user group with similar requirements
Virtual Private
Community
Freely available
Private
Public
Single user
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9. Agenda
Introduction
Concepts of Cloud Computing
Business Drivers and Examples
Where to start
Question & Answers
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10. Speed to Value
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http://www.flickr.com/photos/frogzone1/3048331196/
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11. Buying infrastructure
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12. Buying infrastructure
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13. Buying infrastructure
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14. Flexibility
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15. Scaling up (and down)
Peak capacity ~100X
Facebook App goes viral
Launch of Facebook App
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16. Cost Reduction
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17. Turn off the infrastructure at night
3000--
Number of EC2 Instances
300 CPU’s on
weekends
300 --
Wednesday Thursday Friday Saturday Sunday Monday Tuesday
4/22/2009 4/23/2009 4/24/2009 4/25/2009 4/26/2009 4/27/2009 4/28/2009
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18. Compare this, …
Site A Site B
Outer Firewall
Balance Traffic Load
Intrution Detection System
Web Access Management
DMZ Firewall
Portal Catalog Services
Inner Firewall
Balance load
Application Logic
Catalog Services
Database
Storage
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19. to this ... Which is more expensive?
EC2
Web Access
AMI
EC2 Simple Storage Service (S3)
Portal
AMI Web Access Portal
AMI AMI
EC2
Logic DB
Logic AMI AMI
AMI
EC2
DB
AMI
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20. Google Apps vs Microsoft Office
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21. CapEx Avoidance
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22. From Fixed Cost to Variable Cost
Cost
Large Capital Wasted Money Bad Things
Expenditures Happen
Forecasted Load
Traditional Infrastructure
Actual Load
The Getting
Started Tax Cloud Computing
Time
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23. Greener IT
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24. Cloud Computing as an enabler for GreenIT
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25. Agenda
Introduction
Concepts of Cloud Computing
Business Drivers and Examples
Where to start
Question & Answers
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26. Advantages of Cloud Computing
On-demand self-service
Use when needed, including processors, memory, network,
bandwidth, storage
Standard network access
Cloud computing involves browser access to hosted data and resources.
Configure resources extremely quickly
Location independent resource pooling
Accessing offsite IT resources in a data shared center.
You don't buy the servers and storage, someone else does
Rapid elasticity
Configure resources extremely quickly
Pay per use
Subscription style cost model
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27. When Is Cloud Computing A Fit For The Enterprise?
Applications & processes have highly variable demand
Internal datacenter capacity limits are being reached
Existing hardware has reached end of serviceable life
Speed of provisioning is constraining business execution
Enterprise Datacenter no longer provides competitive advantage
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28. Where Are Some of The Challenges of Adopting Cloud?
Security
Making applications publicly addressable
Licensing models aren't adapting quickly enough
Distances and latency of connectivity
Interfacing and data feeds
Some architectures require re-working for the cloud
Addressing sunk investment costs with anything other than free
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29. Agenda
Introduction
Concepts of Cloud Computing
Business Drivers and Examples
Where to start
Question & Answers
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30. See you in the Cloud!
Join the discussion:
• http://www.no.capgemini.com/teknologiblogg/
• http://www.twitter.com/CapgeminiNorge
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