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The Cloud and Cloud Services are similar to pay-as-you-go, on-demand mobile phone services. Services are provisioned, used, and deactivated at will. |
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The model that most providers offer is analogous to what the utility companies offer. You pay for what you use. You are billed on a second-by-second basis. Understanding this basic principle is at the heart of designing and building services in the cloud.
Developers should familiarise themselves with The Twelve Factor App