AWS Solution Architect & Sysops
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Cloud Computing is the On-demand delivery of Compute power, database, storage & applications, and Other IT Resources through a Cloud Service platform via the Internet with pay-as-you-go.
Characteristics of Cloud
| 1 | On-demand self-service |
| 2 | Broad Network Access |
| 3 | Scalability |
| 4 | Resource Pooling |
| 5 | Measured services |
Service in cloud
IAAS:- infrastructure as a services
PAAS:- Platform as a service
SAAS:- Software as a service
Model:-
| 9 | Application | SAAS | ||
| 8 | Data | SAAS | ||
| 7 | Runtime | PAAS | SAAS | |
| 6 | Middleware | PAAS | SAAS | |
| 5 | os | IAAS | PAAS | SAAS |
| 4 | Virtualization | IAAS | PAAS | SAAS |
| 3 | Server | IAAS | PAAS | SAAS |
| 2 | storage | IAAS | PAAS | SAAS |
| 1 | Network | IAAS | PAAS | SAAS |
Deployment of cloud
(1) public cloud
(2) Private cloud
(3) Hybrid cloud