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1、SpatialCloudComputing(SC2)WhitePaperANewParadigmforGeographicInformationServicesPresentedby:HughWilliamsSKEInc.hwilliams@skeinc.comAugust2009August2009SpatialCloudComputing(SC2)WhitePaperLeveragethepowerofgeographyinthe“cloud”…SpatialCloudComputing(SC2)ElectricalUtilityAnalogy:CloudComputingAbout
2、100yearsago,facilitiesusedtoTheideaof"CloudComputing"reflectsanapproachtocomputinginhavetogeneratetheirownelectricity.whichdynamicallyscalablecomputinghardwareandsoftwareTheintroductionoftheelectricalutilityresourcesareprovidedasaserviceovertheInternet.andelectricalgridmadeitpossibleforcompaniest
3、ohookuptogrid,andeliminatetheexpenseandoverheadofCloudComputingisoftenequatedwiththeconceptofautility,ingeneratingyourownelectricity.whichanorganizationcan“plug-in”tothisvirtualcomputingenvironmentandusethecomputingresourcesavailableonanas-Withcloudcomputing,organizationsrequiredbasis.canreduceor
4、eliminatetheirITinfrastructureandgetinthe“cloud”byWithcloudcomputing,theapplicationsyouusearetherewhenyouusingtheserviceofaninformationneedthem,andwhereveryouneedthem–youjustneedaconnectiontechnologyutilityavailablethroughtheInternet.totheInternet.Further,youdon’thavetheexpenseorneedtobuy/lease,m
5、anage,andmaintainyourownITinfrastructure.Onedefinitionpresentscloudcomputingashavingfivekeycharacteristics(on-demandself-service;ubiquitousnetworkaccess;location-independentresourcepooling;rapidelasticity;andpay-per-use),threedeliverymodels(SaaS–softwareasaservice,PaaS–platformasaservice,IaaS–inf
6、rastructureasaservice),andfourdeploymentmodels(private,community,public,hyrbrid).SuccessfulSaaSexamplesinclude:Salesforce.com;and,Google’sGoogleReaderandGoogleDocs.Amazon’sElasticComputeCloud(EC2)providescomputecapacityinthecloudandisaleadingIaaSexample.ThevalueoftheCloudComputingindustryisexpect
7、edtoreach$100Billioninfiveyears(MerrillLynch),soit’seasytounderstandwhythebigITvendorslikeMicrosoft,Google,andAmazonarerapidlyrampingupcloudcomputingplatformsandservices.Thisservices/utilityapproachisbecomingincreasing
