Java Workloads in the Cloud .pdf

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1、JavaWorkloadsintheCloudJavaOne2011©2009VMwareInc.AllrightsreservedTuesday,October4,11WhoweareScottAndrewsRamnivasLaddadMembersoftheCloudFoundryteamatVMwareviaSpringSource2Tuesday,October4,11Whoareyou?CTOsandArchitectswho•wantaccesstoproductivelanguagesandservices•needabilitytochan

2、gelanguagesandservicesasproductevolvesDeveloperswho•wanttofocusonwritingcodenottickets•enjoywritingcodeinbestlanguageforthejob•notinterestedinoperatingservicesITManagerswho•needtoreducecostforrunningapplication•simplifywaystoscaleapplications3Tuesday,October4,11WhatistheCloud?it

3、'swaterdropletssuspendedintheatmosphereit'sserversonanetworkit'stheInternetit'smarketinghypeit’ship...well,yes.LetusshowyouwhattheCloudmeanstous!4Tuesday,October4,11DemoHelloWorldintheCloud©2009VMwareInc.AllrightsreservedTuesday,October4,11ThreelayersofCloudComputingSaaSSoftwar

4、easaServicePaaSPlatformasaServiceIaaSInfrastructureasaService6Tuesday,October4,11DemoHelloWorldgetspopular©2009VMwareInc.AllrightsreservedTuesday,October4,11PaaSCommonalitiesAgility•GetupandrunningfastUtilitycomputing•Oftenfreeforlimiteduse•PayperuseScalability•Grow(andshrink)wi

5、thdemandMulti-tenantJavacloudprovidersoffer•WARfilesandtheServletAPIs•Relationaldatabase8Tuesday,October4,11IntroducingCloudFoundry.jsApplicationServiceInterfaceDataPrivateServicesCloudsMsgPublicServicesCloudsCloudProviderInterfaceOtherMicroServicesCloudFoundry9Tuesday,October4,1

6、1PaaSDifferentiatorsforDevelopmentforDeploymentforOperations10Tuesday,October4,11PaaSDifferentiators:DevelopmentTechnologyaccess•Whichlanguagesandservicesareavailable?Flexibility•HowcompletearetheAPIimplementations?•Whichapplicationtypessupported:web,batch,messaging?Developme

7、ntease•CanIdeveloplocally?onanairplane?•CanIdebugapplicationincloud?11Tuesday,October4,11DemoMovingbeyondHelloWorld,developingarealapp©2009VMwareInc.AllrightsreservedTuesday,October4,11PaaSDifferentiators:DeploymentRunonyourlaptop?Runinpubliccloud?Runinyourdata-center?Insidethef

8、irewall•leverageexistingin