计算机网络专业英语 课件 Lesson 6 Network Storage and Cloud Computing.pptx

L6-1

Lesson6NetworkStorageandCloudComputing;要点KeyPoints：

专业术语

Co-

利用、使用

典型地;Networkstoragemayreferto:

?Cloudstorage云存储

?Clusteredfilesystemordistributedfilesystem集群文件系统、分布式文件系统

?Filehostingservice文件托管服务

?Fileserver文件服务器

?Network-AttachedStorage(NAS))网络附加存储

?StorageAreaNetwork(SAN)存储区域网络

Cloudstorageisamodelofdatastorageinwhichthedigitaldataisstoredinlogicalpools,thephysicalstoragespansmultipleservers(andoftenlocations),andthephysicalenvironmentistypicallyownedandmanagedbyahostingcompany.Thesecloudstorageprovidersareresponsibleforkeepingthedataavailableandaccessible,andthephysicalenvironmentprotectedandrunning.Peopleandorganizationsbuyorlease（rent，hire）storagecapacityfromtheproviderstostoreuser,organization,orapplicationdata.Cloudstorageservicesmaybeaccessedthroughaco-locatedcloudcomputerservice,awebserviceapplicationprogramminginterface(API)orbyapplicationsthatutilizetheAPI,suchasclouddesktopstorage,acloudstoragegatewayorWeb-basedcontentmanagementsystems.;L6-2

Lesson6NetworkStorageandCloudComputing;要点KeyPoints：

专业术语

DAS、NAS

位置无关的

网盘

Enhance、improve、drop、reduce

Run、carryout、perform

Compute、computer、computation、computational;Aclusteredfilesystemisafilesystemwhichissharedbybeingsimultaneouslymountedonmultipleservers.Thereareseveralapproachestoclustering,mostofwhichdonotemployaclusteredfilesystem(onlydirectattachedstorageforeachnode).Clusteredfilesystemscanprovidefeatureslikelocation-independentaddressing位置无关的寻址andredundancywhichimprovereliabilityorreducethecomplexityoftheotherpartsofthecluster.Parallelfilesystemsareatypeofclusteredfilesystemthatspreaddataacrossmultiplestoragenodes,usuallyforredundancyorperformance.;Afilehostingservice,cloudstorageservice,onlinefilestorageprovider,orcyberlockerisanInternethostingserv