PPT ON SAAS AND CLOUD COMPUTING

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SaaS And Cloud Computing  Presentation Transcript

1.SaaS and Cloud Computing

2.The hype

3.What is
Cloud Computing?

4.SaaS
Software as a Service

5.Software delivery model
Increasingly popular with SMEs
No hardware or software to manage
Service delivered through a browser

6.Advantages
Pay per use
Instant Scalability
Security
Reliability
APIs

7.Examples
CRM
Financial Planning
Human Resources
Word processing
Commercial Services:
Salesforce.com
emailcloud

8.PaaS
Platform as a Service

9.Platform delivery model
Platforms are built upon Infrastructure, which is expensive
Estimating demand is not a science!
Platform management is not fun!

10.Popular services
Storage
Database
Scalability

11.Advantages
Pay per use
Instant Scalability
Security
Reliability
APIs

12.Examples
Google App Engine
Mosso
AWS: S3

13.IaaS
Infrastructure as a Service

14.Computer infrastructure delivery model
Access to infrastructure stack:
Full OS access
Firewalls
Routers
Load balancing

15.Advantages
Pay per use
Instant Scalability
Security
Reliability
APIs

16.Examples
Flexiscale
AWS: EC2

17.Common Factors
Pay per use
Instant Scalability
Security
Reliability
APIs

18.Advantages
Lower cost of ownership
Reduce infrastructure management responsibility
Allow for unexpected resource loads
Faster application rollout

19.Cloud Economics
Multi-tenented
Virtualisation lowers costs by increasing utilisation
Economies of scale afforded by technology
Automated update policy

20.Risks
Security
Downtime    
Access    
Dependency
Interoperability