第 29 卷第 9 期计算机应用Vol 。 29 No 。 92024 年 9 月Journal of Computer App licationsSep 。 2024文章编号 : 1001 — 9081 ( 2024 ) 09 — 2562 — 06云计算及其关键技术陈 全 ,邓倩妮(上海交通大学计算机科学与工程系 ,上海 202440) ( squirr3@ gmail 。 com )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进展而来的。介绍了云计算的进展历史和应用场景 ,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 ( Google File System ) 、数据管理技术 (B igTable) 、编程模型和任务调度模型 (M ap 2Reduce)等 ,分析了云计算和网格计算以及传统超级计算的区别 ,并指出了云计算的宽阔进展前景。关键词 :云计算;数据存储 ;数据管理 ;编程模型中图分类号: TP338. 8文献标志码 : AC loud com puting and its key techn iquesCHEN Quan, D ENG Q ian ni(D epartm ent of Com pu ter S cience and Eng ineering , Shangha i J iao Tong U n iversity , S hangha i 202440 , Ch ina)Abstract : Cloud computing is a new computing model; it is developed based on grid computing。The authors introducedthe development history of cloud computing and its app lication situation;compared existing definitions of cloud computing andgave a new definition; took google s cloud computing techniques as an examp le,summed up key techniques , such as datastorage technology (Google File System ) ,data management technology(B igTable ) , as well as p rogramm ing model andtaskscheduling model (M ap Reduce ) ,usedin cloud computing ; and analyzed the differences amongcloud computing,grid2and fingered out the broad development p rospects of cloud computing。computing and traditional super computing,Key words: cloud2computing;p data storage ; data management; programm ing model20 引言云计算 ( Cloud Computing)是一种新近提出的计算模式.是分布式计...