20120132JOURNALOFDONGGUANUNIVERSITYOFTECHNOLOGYVol.20No.1Feb.20132012-09-042009B010800042。1974—GISRS。GIS123211.5231062.5106403.100049。GIS。、GISGISGIS。GISGISTP393.03A1009-0312201301-0017-07GISITGIS、GISGISGISGIS。GISGIS、、GIS“”GIS、WEBGISGIS。GIS。1“”。、、。、、、Google2006、、、、、Google、、IBM、、SAP。“”、“”、“”、“”、“”、“”、“”。。182013、、、、、。、、、、。LamiaYouseffIBMT.J.WatsonMariaButrico、DilmaDaSilva2008《TowardaUnifiedOntologyofCloudCompu-ting》151InfrastructureasaServiceIaaS、PlatformasaServicePaaSSoftwareasaserviceSaaS。IaaS、。IaaS、、、/。IaaS“”。SaaSPaaSIaaS。IaaS。IaaSElasticComputeCloudIBM、VmwareIT。PaaS、。、Web、。Sales-force.comForce.com、GoogleAppEngineAzurePaaS。SaaS。。“ondemand”、、。Salesforce.com、NetSuite、GoogleGmail、Zimbra、Zoho、IBMLotusLiveSPSCommerce.net。、NoSQLDataasaServiceDaaS。DaaSSaaSWeb。DBMS。AmazonSimpleDB。GoogleAppEngineBig-TableDataStoreAPIEMC“e”。SaaS、PaaS、IaaSDaaS。IaaS1GIS19PaaSDaaSIaaSSaaSPaaSIaaSPaaSIaaS。2GISGIS、、、GISGIS。2.1GISGIS、、GIS、。GIS、、。GISWebGIS、GIS、GISWebGIS、GIS、GIS。GIS、CDMA、GPRSPDA、Web、、。2.2GISGISGIS、。1GISGISWebGISGIS。、GISGIS。2GIS。。GISGIS。GIS、。GISGISGISServer。3GISGIS、。GIS。2020134Google100Google。GIS、GIS。5GIS。GIS。———。3GIS3.1GISGIS、、、、、GIS、。GISGISGIS、、。3.2GISGIS①②③④。GISGoogleEarth、GoogleMoonGoogleMarsESRIArcGISOnline、ArcGIS10.1SuperMapGIS6RMapGISK9SP3GeoCloud。4GISGISIaaS、PaaS、SaaS、DaaSDaaS、SaaS、PaaS、IaaS。4.1。GIS。。GoogleMap、Bing、。API。APIJavaScriptFlash、。2。1GIS212Geo-DaaS4.2。。、、。SOAWebServicesSOA、、、。。GISServer。GISGISPaaSGIS。GISSuperMapiServer。GIS。SaaSGeo-SaaS。4.3。GIS。GoogleAppEngine。GoogleAppEngineGoogle。GIS。GISGISPaaS。GISGISGISGIS。GIS。4.4。222013、IBM、。“”PaaS、SaaSCaaSGIS。GIS。Amazon。ElasticComputeCloudEC2SimpleStorageServiceS3。。5GISGIS、、GISGISGIS、、。5.1GIS、、、、Web。、、、。、、、、、、、。、、、、3。35.2GIS、、BigTable、HBase、NoSQLREST。GFSGoogleFileSystemHadoopGFSHDFSHa-doopDistributedFileSystem。ITyahoo、Intel“”HDFS。、、I/O。、、、、。。BigTableHadoopBigTable。1GIS23、、。、。5.3GISGIS。、Web、。6GISGISGIS。GISGISGIS。GISGIS。1YouseffLButricoMDaSilvaD.TowardaUnifiedOntologyofCloudComputingC.GridComputingEnvironmentsWorkshop20081-102.、J.ChinaNewTechnologiesandProducts201103.3.GISJ.2009373115556-15557.4.GISD.2011.5.GISJ.20111083-87.6.GISEB/OL2011-01-27.2012-06-27http//.esrichina-bj.cn/2011/0127/730.html.7Esri.ArcGISG/OL.2012-05-25http//.docin.com/p-97128111.html.8.GISJ/OL.201128.2012-06-29http//.supermap.com.cn/sup/xwtxpage.asporderID=416.GISUnderCloudComputingEnvironmentPENGYi-chun123WANGYun-peng2NIUYi11.CityCollegeofDongguanUniversityofTechnologyDongguan523106China2.GuangzhouInstituteofGeochemistryChineseAcademyofSciencesGuangzhou510640China3.GraduateUniversityoftheChineseAcademyofSciencesBeijing100049ChinaAbstractCloudcomputinginrecentyearsisaverypopularword.IntheeraofcloudcomputingGISalsofacesanewtech-nologicalinnovation.ThispaperdiscussescloudcomputingtheconceptandadvantageofcloudGISanalyzingthenecessityandfeasibilityoftheCombinationofGISandcloudcomputingandrelatingtheconstructingmodeandkeytechnologyofcloudGIS.KeywordsCloudComputingCloudGISGIS