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1、CloudComputingandGridComputing360-DegreeCompared1,2,3415IanFoster,YongZhao,IoanRaicu,ShiyongLufoster@mcs.anl.gov,yozha@microsoft.com,iraicu@cs.uchicago.edu,shiyong@wayne.edu1DepartmentofComputerScience,UniversityofChicago,Chicago,IL,USA2ComputationInstitute,
2、UniversityofChicago,Chicago,IL,USA3Math&ComputerScienceDivision,ArgonneNationalLaboratory,Argonne,IL,USA4MicrosoftCorporation,Redmond,WA,USA5DepartmentofComputerScience,WayneStateUniversity,Detroit,MI,USAAbstract–CloudComputinghasbecomeanotherbuzzwordafterWe
3、bwefindthatthoseclustersarequiteexpensivetooperate.We2.0.However,therearedozensofdifferentdefinitionsforCloudhavelow-costvirtualization.And,aboveall,wehavemultipleComputingandthereseemstobenoconsensusonwhataCloudis.billionsofdollarsbeingspentbythelikesofAmaz
4、on,Google,Ontheotherhand,CloudComputingisnotacompletelynewconcept;andMicrosofttocreaterealcommerciallarge-scalesystemsithasintricateconnectiontotherelativelynewbutthirteen-yearcontaininghundredsofthousandsofcomputers.TheprospectestablishedGridComputingparadi
5、gm,andotherrelevantofneedingonlyacreditcardtogeton-demandaccesstotechnologiessuchasutilitycomputing,clustercomputing,anddistributedsystemsingeneral.Thispaperstrivestocompareand100,000+computersintensofdatacentersdistributedcontrastCloudComputingwithGridCompu
6、tingfromvariousanglesthroughouttheworld—resourcesthatbeappliedtoproblemsandgiveinsightsintotheessentialcharacteristicsofboth.withmassive,potentiallydistributeddata,isexciting!Soweareoperatingatadifferentscale,andoperatingatthesenew,1100-MileOverviewmoremassi
7、vescalescandemandfundamentallydifferentapproachestotacklingproblems.Italsoenables—indeedisCloudComputingishintingatafutureinwhichwewon’toftenonlyapplicableto—entirelynewproblems.computeonlocalcomputers,butoncentralizedfacilitiesoperatedbythird-partycomputean
8、dstorageutilities.WesureNevertheless,yes:theproblemsaremostlythesameinCloudswon’tmisstheshrink-wrappedsoftwaretounwrapandinstall.andGrids.ThereisacommonneedtobeabletomanagelargeNeedlesstosay,thi
