Cloud Computing

1. Characteristics

1.1. Agility

1.2. Application programming interface

1.3. Cost

1.4. Devide and location independence

1.5. Virtualization

1.6. Multitenancy

1.6.1. centralization

1.6.2. Peak-load capacity

1.6.3. utilisation and efficiency

1.7. Reliability

1.8. Scalability and elasticity

1.9. Performance

1.10. Security

1.11. Maintenance

2. Point of attention

2.1. Attempted burglary

2.2. Abuse from insiders

2.3. Abuse from services

2.4. Fear of loss of important information

2.5. violation of privacy

3. Why start applying cloud computing?

3.1. No more tinkering on hardware

3.2. more flexibility and continuity

3.3. unlimited servicecapacity

4. Evolution

4.1. Future

4.1.1. 6% of the companies is about to use cloud computing in the future

4.2. Now

4.2.1. Only 8% of the companies already use cloud computing

5. What?

5.1. use of computing resources (hardware and software) that are delivered as a service over a network

5.2. Most important IT-trend of 2011

5.3. Payment of subscription

5.4. Computercapacity and computerapplications used over internet

6. Different kinds

6.1. Infrastructure as a service (IaaS)

6.2. Platform as a service (PaaS)

6.3. Software as a service (SaaS)

6.4. Storage as a service (STaaS)

6.5. Security as a service (SECaaS)

6.6. Data as a service (DaaS)

6.7. Test environment as a service (TEaaS)

6.8. Destkop as a service (DaaS)

6.9. API as a service (APIaaS)

7. what's being offered on Belgian market?

7.1. Private cloud

7.1.1. Intern

7.1.2. Controle data

7.1.3. Owner stays possessor of data and applications

7.2. Public cloud

7.2.1. Extern

7.2.2. data completely on server of service provider

7.3. Community cloud

7.3.1. shared by several companies

7.3.2. Characterics similar to Private cloud

7.4. Hybrid cloud

7.4.1. Combination of private, public and community cloud

7.4.2. owner of data can put information on a server for other people