Cloud Computing
Last updated: 2/1/2026
Cloud Computing consists of two models:
i. Deployment Model -- Public cloud, Private cloud, Hybrid cloud
ii. Service Model -- IAAS, PAAS, SAAS
Managed by us in Blue
Managed by others in Orange
| On-Premises | IAAS | PAAS | SAAS |
| Applications | Applications | Applications | Applications |
| Data | Data | Data | Data |
| Runtime | Runtime | Runtime | Runtime |
| Middleware | Middleware | Middleware | Middleware |
| O/S | O/S | O/S | O/S |
| Virtualization | Virtualization | Virtualization | Virtualization |
| Servers | Servers | Servers | Servers |
| Storage | Storage | Storage | Storage |
| Networking | Networking | Networking | Networking |