3. Cloud Computing- A Range of Services

As indicated in 2. Cloud Computing - Everything is a service - service is the main attraction and mode of using computing resources. In the beginning, the cloud computing services mainly consisted of the following.

1.  Infrastructure as a service (IaaS)
2. Platform as a service (PaaS)
3. Software as a Service (SaaS)

Figure 3: Cloud Computing: Range of services 

Since then cloud computing services have been growing in number and nature and here are some of the recent additions.

1. Storage as a Service (STaaS)
2. Security as a Service (SECaaS)
3. Data as a Service ( DaaS)
4. Database as a Service (DBaaS)
5. Test Environment as a Service (TEaaS)
6. Desktop Virtualization
7. API as a service ( APIaaS)
8. Backend as a service ( BaaS)