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<p>(NIST) identified five "essential characteristics" for cloud systems. Below are the exact definitions according to NIST:<br/>
* On-demand self-service: "A consumer can unilaterally provision computing capabilities, such as server time and network storage, as needed automatically without requiring human interaction with each service provider."<br/>
* Broad network access: "Capabilities are available over the network and accessed through standard mechanisms that promote use by heterogeneous thin or thick client platforms (e.g., mobile phones, tablets,</p><p>
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