Cloud Taxonomy Level 1: Roles Level 2: Activities Level 3: Component Level 4: Sub Component

1. Cloud Service Provider

1.1. Service Developmant

1.2. Service Orchestration

1.3. Cloud Service Management

1.4. Security

1.5. Privacy

2. Cloud Carriers

2.1. Cloud Distribution

2.1.1. Electronic Transfer

2.1.2. Physical Transfer

2.2. Cloud Access

2.2.1. Mobile Endpoints

2.2.2. Fixed Endpoints

3. Cloud Service Consumer

3.1. Software as a Service

3.2. Platform as a Service

3.3. Infrastructure as a Service

4. Cloud Broker

4.1. Service Consumption

4.2. Service Provision

4.2.1. Service Intermediation

4.2.2. Service Aggregation

4.2.3. Service Arbitrage

5. Cloud Auditor

5.1. Security Audit

5.2. Privacy-Impact Audit

5.3. Performance Audit

6. Cloud Layer