What are the basic characteristics of cloud computing?

The four basic characteristics  of cloud computing

1. Elasticity and Scalability.
2. Self-Service Provisioning and Automatic De-Provisioning.
3. Standardized Interfaces.
4. Billing Self-Service Based Usage Model.

The Five Essential Characteristics of Cloud Computing 

1 - On-demand capabilities

2 - Broad network access .

3 - Resource pooling .

4 - Rapid elasticity .

5 - Measured service .