Cloud Computing
by Robb Vdte
1. Risks
1.1. Loss of service
1.2. Regulatory problems
1.3. Security concerns
1.4. Lock-in dependency on proprietary cloud applications
1.5. One-sided service agreements
2. Reasons
2.1. Use of device
2.1.1. PC, smartphone & tablet
2.2. Streamline process
2.2.1. More work in less time
2.3. Easy access to information
2.4. Almost unlimited storage
2.5. Backup & recovery
2.6. Save money
3. European market
3.1. Amazon EC2
3.2. Google App Engine
3.3. IBM
3.4. Microsoft Azure
3.5. Critix
3.6. Netsuite
4. What
4.1. IT Service
4.2. Business use
4.3. Access to everything from everywhere
4.4. Virtual servers
4.5. On-demand computing resources (sharing)
4.6. Applications & data centers
5. Different kinds
5.1. Software as a Service (SaaS)
5.1.1. Providing a given application to multiple tenants
5.2. Platform as a Service
5.2.1. Variant of SaaS
5.3. Infrastructure as a Service
5.3.1. Set up virtual data center
5.4. Web-based cloud services
5.4.1. Let you exploit certain web service functionality
5.5. Utility cloud services
5.5.1. Virtual storage & server option
5.6. Managed services
5.6.1. Oldest iteration of cloud solutions
5.7. Service Commerce Platforms
5.7.1. Mix of SaaS & managed services
5.8. Internet Integration
5.8.1. Different providers
6. Characteristics
6.1. Elasticity & scalability
6.2. Standardized interfaces
6.2.1. Application programming interfaces (APIs)