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. What
2.1. IT Service
2.2. Business use
2.3. Access to everything from everywhere
2.4. Virtual servers
2.5. On-demand computing resources (sharing)
2.6. Applications & data centers
3. Characteristics
3.1. Elasticity & scalability
3.2. Standardized interfaces
3.2.1. Application programming interfaces (APIs)
3.3. Self-service provisioning
3.4. Billing & service usage metering
4. Different kinds
4.1. Software as a Service (SaaS)
4.1.1. Providing a given application to multiple tenants
4.2. Platform as a Service
4.2.1. Variant of SaaS
4.3. Infrastructure as a Service
4.3.1. Set up virtual data center
4.4. Web-based cloud services
4.4.1. Let you exploit certain web service functionality
4.5. Utility cloud services
4.5.1. Virtual storage & server option
4.6. Managed services
4.6.1. Oldest iteration of cloud solutions
4.7. Service Commerce Platforms
4.7.1. Mix of SaaS & managed services
4.8. Internet Integration
4.8.1. Different providers
5. Reasons
5.1. Use of device
5.1.1. PC, smartphone & tablet
5.2. Streamline process
5.2.1. More work in less time