Cloud

Use Cases and Functional Requirements for Inter-Cloud Computing

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Executive Summary

There is a rising expectation to the potential capability of cloud systems as an IT infrastructure that will help to create new values. If cloud systems are to be applied to wider areas, such as the core business of enterprises, e-administration and other social infrastructure services, it will be necessary to consider guaranteed end-to-end service quality covering not only the computing resources of cloud systems but also the networks involved, and to meet requirements for reliability including compliance, governance etc. and requirements for power saving. When services are provided by a single cloud system (single cloud), an unexpected level of overload (traffic from the Internet), or a natural disaster may request to supplement reserved resources.

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