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1、www.it-ebooks.infowww.it-ebooks.infoCloudArchitecturePatternsBillWilderwww.it-ebooks.infoCloudArchitecturePatternsbyBillWilderCopyright©2012BillWilder.Allrightsreserved.PrintedintheUnitedStatesofAmerica.PublishedbyO’ReillyMedia,Inc.,1005GravensteinHighwayNorth,Sebastopol,CA95472.O’Reill
2、ybooksmaybepurchasedforeducational,business,orsalespromotionaluse.Onlineeditionsarealsoavailableformosttitles(http://my.safaribooksonline.com).Formoreinformation,contactourcorporate/institutionalsalesdepartment:800-998-9938orcorporate@oreilly.com.Editor:RachelRoumeliotisProofreader:BIMP
3、ublishingServicesProductionEditor:HollyBauerIndexer:BIMPublishingServicesCoverDesigner:KarenMontgomeryInteriorDesigner:DavidFutatoIllustrator:ElizabethO’Connor,RebeccaDemarestRevisionHistoryfortheFirstEdition:2012-09-20FirstreleaseSeehttp://oreilly.com/catalog/errata.csp?isbn=9781449319
4、779forreleasedetails.NutshellHandbook,theNutshellHandbooklogo,andtheO’ReillylogoareregisteredtrademarksofO’ReillyMedia,Inc.CloudArchitecturePatterns,theimageofasandmartin,andrelatedtradedressaretrademarksofO’ReillyMedia,Inc.Manyofthedesignationsusedbymanufacturersandsellerstodistinguish
5、theirproductsareclaimedastrademarks.Wherethosedesignationsappearinthisbook,andO’ReillyMedia,Inc.,wasawareofatrademarkclaim,thedesignationshavebeenprintedincapsorinitialcaps.Whileeveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorsassumenoresponsibilityforerrorsor
6、omissions,orfordamagesresultingfromtheuseoftheinformationcontainedherein.ISBN:978-1-449-31977-9[LSI]www.it-ebooks.infoTableofContentsPreface.......................................................................ix1.ScalabilityPrimer.......................................................
7、....1ScalabilityDefined1VerticallyScalingUp3HorizontallyScalingOut3DescribingScalability5TheScaleUnit6ResourceContentionLimitsScalability6EasingResourceContention6ScalabilityisaBusinessConcern7TheCloud-NativeApplication9CloudPlatformDefined9Cloud-NativeApplicationDefined10Summa