Docker Democratizes Virtualization for DevOps-Minded Developers and Administrators

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1、G00271225DockerDemocratizesVirtualizationforDevOps-MindedDevelopersandAdministratorsPublished:20March2015Analyst(s):RichardWatsonDocker'sinnovationisdemocratizingvirtualization,givingusable,application-focusedvirtualizationtoDevOps-mindeddevelopersandadministrators.Thisassessmentinformssolutiona

2、rchitectsandinfrastructuremanagersevaluatingcontainersaboutthebenefitsandrisksofadoptingDocker.KeyFindings■DockerextendsthebenefitsofOScontainerswithasetoftoolsforbuilding,distributinganddeployingthem.Docker'srapidadoptionisduetoitsappealtoapplicationdevelopers'appetiteforuser-friendly,fast,virt

3、ualizationtoolingthatisfocusedonsoftware,notservers.■DockerisavaluabletoolwithwhichtoadvanceaDevOpsapproach,anditsadoptionisbeingdrivenbydeveloperswithaDevOpsandopen-sourcemindset.■Operating"Dockerized"applicationsinaproductionenvironmentwillchallengeenterprisesbecauseitrequiresaddingunfamiliara

4、ndsophisticatedsystemmanagement,securitymodelsandadministrationexpertisetoexisting(virtual-machine-based)approaches.■Docker'scontributiontoapplicationportabilityismisunderstood:Infact,Dockerensurescross-platformportabilitybyassumingaLinuxOSenvironmenteverywherecontainersneedtorun,givingmuch-soug

5、ht-afterconsistencywhenrunningcontainersondifferentinfrastructure.Recommendations■StartnowbyaugmentingtraditionalvirtualizationwithcontainersmanagedbyDockerfordev/testandcontinuousintegration(CI)automation.Prototypecontainer-basedarchitecturechangesandcontinuousdeployment(CD)inparallel.■Don'tdep

6、loyDockerinproductionunlessyouarepreparedforthedisruptionapplicationcontainerswillbringtoyourapplicationdevelopment,testandproductioninfrastructure.■Ignoretheinevitablevendorhype,ecosystemmachinationsandopen-sourcecommunityfragmentation.Thisisinevitableinarapidlymaturingtechnology;donotbeperturb

7、edbyit.■ChoosePaaSandIaaScloudserviceprovidersandPaaSframeworkswithsupportforDockerandruntime,deploymentandorchestrationofcontainers.Containerssupportcloudadoptionbyprovidingaconsistentdeploymentapproachacrosson-premisesandc