文章基本信息

标题：On the Varieties of Clouds for Data Intensive Computing
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作者：Robert L. Grossman ; Yunhong Gu
期刊名称：Bulletin of the Technical Committee on Data Engineering
出版年度：2009
卷号：32
期号：01
出版社：IEEE Computer Society
摘要：By a cloud we mean an infrastructure that provides resources or services over a network, often the Internet, usually at the scale and with the reliability of a data center. We distinguish between clouds that provide on-demand computing instances (such as Amazon’s EC2 service) and clouds that provide on-demand computing capacity (such as provided by Hadoop). We give a quick overview of clouds and then describe some open source clouds that provide on-demand computing capacity. We conclude with some research questions.