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1、CloudComputing目錄:1.Whywetalkaboutit?為什么要談云計(jì)算?2.Whatisit?云計(jì)算是什么?3.Whatdowedowithit?云計(jì)算與我們1.Whywetalkaboutit?為什么要談云計(jì)算?Forecasts:frombusinessperspective“spendingonITcloudserviceswilltripleinthenext5years,reaching$42billion&capturing25%ofITspendinggrowthin2015andnearlyathirdofgrowt
2、hthefollowingyear.WiththeoverallITmarketspendbeing$383billion,thiskindofgrowthvalidatesthattheopportunitydeservestheattentionitisgetting”到2015年云服務(wù)支出將增長(zhǎng)三倍達(dá)到$420億,占IT增長(zhǎng)的1/4;證實(shí)了一種我們必須關(guān)注的機(jī)會(huì)。Forecast:FromTechnologyPerspective“……thatcloudcomputing?isoneoftheTop15TechnologyTrendsandth
3、atitwarrantsinvestmentnowsoyoucangaintheexperiencenecessarytotakeadvantageofitinitsmanyformstotransformyourorganizationintoamoreefficientandresponsiveserviceprovidertothebusiness.”云計(jì)算是前十五個(gè)重要的技術(shù)發(fā)展趨勢(shì)之一;盡快開(kāi)始對(duì)云計(jì)算的投入可以保證你獲得必要的經(jīng)驗(yàn)去享用云計(jì)算帶來(lái)的各個(gè)方面的多種多樣的好處;最終使得你所負(fù)責(zé)的機(jī)構(gòu)成為一個(gè)更有效率的和反應(yīng)迅速的服務(wù)提供者。W
4、hatisit?云計(jì)算是什么?WikipediaDefinitionThetermcloudisusedasametaphorfortheInternet,basedontheclouddrawingusedtodepicttheInternetincomputernetworkdiagramsasanabstractionoftheunderlyinginfrastructureitrepresents.云是Internet的比喻。計(jì)算機(jī)網(wǎng)絡(luò)圖中使用云圖形來(lái)抽象表現(xiàn)底層架構(gòu)。seriousdefinitionsMcKinsey:“Cloudsare
5、hardware-basedservicesofferingcompute,networkandstoragecapacitywhere:Hardwaremanagementishighlyabstractedfromthebuyer,BuyersincurinfrastructurecostsasvariableOPEX(operationalexpenditure),andInfrastructurecapacityishighlyelastic”?7typesofCloudServices1.IaaS2.PaaS3.SaaS4.Cloudweb
6、service(云端web服務(wù))5.MPS(ManagementServiceProvider,管理服務(wù)提供商)6.BSP(BusinessServicePlatform,商務(wù)服務(wù)平臺(tái))7.NetworkIntegration(網(wǎng)絡(luò)集成)Whatdowedowithit?云計(jì)算與我們CloudComputing@Dailylife69%ofAmericansusecloudcomputingServicesCloudComputing@Libraries:IaaSfromCommercialServicesDistrictofColumbiaPubl
7、icLibrary:Amazon’sEC2servicetohostwebsite;Amazon’sS3servicetobackupILS,FlickrandAmazonEC2forupcomingdigitalrepository,andtheDistrictadoptstheGAPEversionofGmailasitsmailplatform.使用AmazonEC2云服務(wù)托管網(wǎng)站,AmazonS3服務(wù)備份圖書(shū)館集成系統(tǒng),還計(jì)劃用Flickr和AmazonEC2服務(wù)做未來(lái)的數(shù)字館藏Whatdowedowithit?云計(jì)算與我們Exercise:
8、ALibraryintheCloud?WhatwillCloudComputingbringtoourlib