云计算的定义


美国国家标准技术研究所(National Institute of Standards and Technology )2011年1月关于云计算的定义


原文如下:


 


Cloud computing is a model for enabling ubiquitous, 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 five essential characteristics, three service models, and four deployment models.


NIST Special Publication 800-145 National Institute of Standards and Technology Special Publication 800-145 (Draft) 7 pages (January. 2011)


 


 查了很多国内的翻译,都略显粗糙,笔者尝试翻译如下,请各位指正:


 


云计算是一种让人们能够随时随地、按需分配、方便快捷地使用各种可配置计算资源(例如网络、服务器、存储、应用与服务)共享池的模型,计算资源可以快速地部署获取与释放,管理代价最小,无需服务提供者过多的干预。云计算模型提升了系统的可用性,具备五大重要特征(按需自助服务、无处不在的网络接入、资源池、快捷弹性、服务可量化)、三种服务模式(基础设施即服务IaaS、平台即服务PaaS、软件即服务SaaS)和四种部署模式(共有云、私有云、混合云、社区云)。


 

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