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The US National Institute of Standards and Technology (NIST) Definition of Cloud Computing
Authors: Peter Mell and Tim Grance (10.07.2009)
Note 1: Cloud computing is still an evolving paradigm. Its definitions, use cases, underlying technologies, issues, risks, and benefits will be refined in a spirited debate by the public and private sectors. These definitions, attributes and characteristics will evolve and change over time.
Note 2: The Cloud Computing industry represents a large ecosystem of many models, vendors and market niches. This definition attempts to encompass all of the various cloud approaches.
"Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction."
This Cloud model promotes availability and is composed of:
