摘要
云计算是一种新兴的计算模型,它是在网格计算的基础上发展而来的。介绍了云计算的发展历史和应用场景,比较了现有的云计算的定义并给出了新的定义,以谷歌的云计算技术为例,总结了云计算的关键技术:数据存储技术(GoogleFileSystem)、数据管理技术(BigTable)、编程模型和任务调度模型(Map-Reduce)等,分析了云计算和网格计算以及传统超级计算的区别,并指出了云计算的广阔发展前景。
Cloud computing is a new computing model; it is developed based on grid computing. The authors introduced the development history of cloud computing and its application situation; compared existing definitions of cloud computing and gave a new definition; took google＇s cloud computing techniques as an example, summed up key techniques, such as data storage technology （Google File System）, data management technology （BigTable）, as well as programming model and task scheduling model （Map-Reduce）, used in cloud computing; and analyzed the differences among cloud computing, grid computing and traditional super-computing, and fingered out the broad development prospects of cloud computing.
出处
《计算机应用》
CSCD
北大核心
2009年第9期2562-2567,共6页
journal of Computer Applications
关键词
云计算
数据存储
数据管理
编程模型
cloud computing
data storage
data management
programming model
