管理1部署基于虚拟化会话的远程桌面服务解决方案英文.docx
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管理1部署基于虚拟化会话的远程桌面服务解决方案英文.docx
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管理1部署基于虚拟化会话的远程桌面服务解决方案英文
DeployingaVirtualizedSession-BasedRemoteDesktopServicesSolution
Published:
February2010
Appliesto:
RemoteDesktopServiceswithWindowsServer2008R2
Abstract
ThisdocumentprovidesguidanceondeployingRemoteDesktopSessionHost(RDSessionHost)andotherRemoteDesktopServicesroleservicesinavirtualizedenvironmentwithminimalhardwareresources.ThedocumentalsoprovidesscalabilityinformationforavirtualizedRemoteDesktopServicesroleconfigurationbyusingtheKnowledgeWorkerscenariotohelpsizehardwareforsimilarworkloads.
Copyright
TheinformationcontainedinthisdocumentrepresentsthecurrentviewofMicrosoftCorporationontheissuesdiscussedasofthedateofpublication.BecauseMicrosoftmustrespondtochangingmarketconditions,itshouldnotbeinterpretedtobeacommitmentonthepartofMicrosoft,andMicrosoftcannotguaranteetheaccuracyofanyinformationpresentedafterthedateofpublication.
ThisWhitePaperisforinformationalpurposesonly.MICROSOFTMAKESNOWARRANTIES,EXPRESS,IMPLIEDORSTATUTORY,ASTOTHEINFORMATIONINTHISDOCUMENT.
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Microsoftmayhavepatents,patentapplications,trademarks,copyrights,orotherintellectualpropertyrightscoveringsubjectmatterinthisdocument.ExceptasexpresslyprovidedinanywrittenlicenseagreementfromMicrosoft,thefurnishingofthisdocumentdoesnotgiveyouanylicensetothesepatents,trademarks,copyrights,orotherintellectualproperty.
2010MicrosoftCorporation.Allrightsreserved.
Microsoft,Excel,Hyper-V,InternetExplorer,Outlook,PowerPoint,Windows,andWindowsServeraretrademarksoftheMicrosoftgroupofcompanies.
Allothertrademarksarepropertyoftheirrespectiveowners.
Contents
Introduction5
RDSessionHostserver-baseddeployment5
VirtualizedRDSessionHostserverdeployment6
Deploymentscenarios7
Serverhardware7
Serveroperatingsystem7
SinglefarmvirtualizedRDSessionHostserverdeployment7
TwofarmvirtualizedRDSessionHostserverdeployment8
Highavailabilitydeployment10
Testresults12
KnowledgeWorkerwithoutPowerPointscenario12
KnowledgeWorkerwithPowerPointscenario14
RDGatewayresourceusage15
RDLicensing/RDConnectionBrokerresourceusage15
Hardwareandsoftwarecost15
Conclusion15
Appendix:
Testingmethodology17
Introduction
Hyper-V™inWindowsServer®2008 R2isapowerfulvirtualizationtechnologythatcorporationscanusetoconsolidateserversandthuslowertotalcostofownership(TCO).AnRDSessionHostserver-baseddeploymentconsistsofseveralroleservices:
RDSessionHost,RDLicensing,RDGateway,RDConnectionBroker,andRDWebAccess.Forasmalltomediumscaledeployment,therearemanyadvantagesindeployingtheRemoteDesktopServicesroleservicesonvirtualmachines.ThisdocumentpresentstheadvantagesandrecommendationsfordeployingRemoteDesktoproleservicesonvirtualmachines.ItalsopresentsscalabilitydataforagivenhardwareandvirtualmachineconfigurationbyusingKnowledgeWorkerscenario.
RDSessionHostserver-baseddeployment
AWindowsServer 2008 R2RDSessionHostserver-baseddeploymentprovidessession-baseddesktopsandRemoteAppprogramstoclientcomputers.AnRDSessionHostserver-baseddeploymentconsistsofthefollowing:
∙AnRD SessionHostserver
∙AnRD Licensingserver
∙AnRD Gatewayserver
∙AnRD ConnectionBrokerserver
∙AnRD WebAccessserver
∙Roamingprofiles
Figure1showsasimpleRDSessionHostserver-baseddeployment,highlightingtheRemoteDesktopServicesroleservicesandrelationshipsamongdifferentcomponents.
Clientcomputer
Figure1:
RDSessionHost-baseddeployment
VirtualizedRDSessionHostserverdeployment
DeployingtheRDSessionHostroleserviceonavirtualmachineisalsoknownasavirtualizedRDSessionHostserverdeployment.TheprimaryadvantagesofdeployingRemoteDesktopServicesroleservicesonvirtualmachinesareasfollows.
ServerConsolidation.ResourcesconsumedbytheRDSessionHostroleservicedependontheapplicationsandnumberofusers.RemoteDesktopServicesroleservices,suchasRDLicensingandRDConnectionBroker,consumesignificantlyfewerresources.Forasmallandmediumscaledeployment,alltheroleservicescanbeinstalledondifferentvirtualmachinesrunningonasingleserverinsteadofinstallingthemondifferentservers,thusprovidingbothisolationandserverconsolidation.
HighAvailability.TheRDSessionHostroleservicecanbedeployedinafarminalargedeployment.Thefarmloadcanbeequallydistributedamongphysicalservers.Forexample,inatwofarmscenario,onevirtualmachinebelongingtoeachfarmcanrunonbothphysicalservers.Insuchascenario,evenifoneserverisnotavailable,bothfarmswillbeavailableforareducednumberofusers.
Deploymentscenarios
Serverhardware
Thefollowinghardwareconfigurationswerechosentoillustrateexamplescenariossuitableforasmall/mediumdeployment.TheprocessorsontheseserverssupportExtendedPageTechnology(EPT).TheadvantageofleveragingthishardwaretechnologybytheSecondLevelAddressTranslation(SLAT)featureofWindowsServer2008R2Hyper-Visdiscussedin“RemoteDesktopSessionHostCapacityPlanninginWindowsServer2008R2”(
Server
CPUmodel
Sockets
Cores
Corespeed
RAM
HPDL370
Intel®Xeon®ProcessorE5530
1
4(4x1)
2.4GHz
16GB
HPDL370
Intel®Xeon®ProcessorE5530
2
8(4x2)
2.4GHz
32GB
Table1:
Hardwareconfiguration
Thefollowingserverrolesareassumedtoexistonseparateserversinthedeployment:
∙ActiveDirectoryDomainServices
∙DNS
∙DynamicHostConfigurationProtocol(DHCP)
∙FileServices(forroamingprofiles)
Serveroperatingsystem
WindowsServer2008 R2EnterprisewaschosenastheoperatingsystemforHyper-Vserversandvirtualmachines.ThelicenseforWindowsServer2008 R2EnterpriseallowsuptofourvirtualmachinesonasingleHyper-Vserverwithoutanyadditionaloperatingsystemlicensingcost.Alltheconfigurationsbelowhaveamaximumoffourvirtualmachines.
SinglefarmvirtualizedRDSessionHostserverdeployment
TheconfigurationconsistsofasingleRDSessionHostserverfarm,theRDLicensingroleservice,theRDConnectionBrokerroleservice,andtheRDGatewayroleserviceinstalledonvirtualmachines.
OntheHost1server,threevirtualmachinesrunningWindowsServer2008R2arecreated.Onthefirstvirtualmachine,theRDLicensingandRDConnectionBrokerroleservicesareinstalled.Onthesecondvirtualmachine,theRDGatewayandRDWebAccessroleservicesareinstalled.TheRDSessionHostroleserviceisinstalledonthethirdvirtualmachine.
OntheHost2server,oneWindowsServer2008 R2virtualmachineiscreatedandtheRDSessionHostroleserviceisinstalled.
Table2showsthememoryconfigurationsforthevirtualmachines.
Physicalhost
Roleservice
RAMfor16-GBconfiguration
Host1
RDWebAccess,RDGateway
2GB
RDConnectionBroker,
RDLicensing
1GB
RDSessionHostserverfarm1
10GB
Host2
RDSessionHostserverfarm1
10GB
Table2:
Memoryconfigurationforsinglefarmdeployment
Figure2:
Singlefarmdeploymentonvirtualmachines
TwofarmvirtualizedRDSessionHostserverdeployment
TheconfigurationconsistsoftwoRDSessionHostserverfarms,theRDLicensingroleservice,theRDConnectionBrokerroleservice,andtheRDGatewayroleserviceinstalledonvirtualmachines.
OntheHost1server,fourvirtualmachinesrunningWindowsServer2008R2arecreated.Onthefirstvirtualmachine,theRDWebAccessandRDGatewayroleservicesareinstalled.Onthesecondvirtualmachine,theRDConnectionBrokerandRDLicensingroleservicesareinstalled.TheRDSessionHostroleserviceisinstalledonthethirdandfourthvirtualmachines.OneRDSessionHostvirtualmachinebelongstoFarm1andthesecondRDSessionHostvirtualmachinebelongstoFarm2.
OntheHost2server,twovirtualmachinesarecreatedandtheRDSessionHostroleserviceisinstalledoneach.ThefirstvirtualmachinebelongstoFarm1andthesecondbelongstoFarm2.
Table3showsthememoryconfigurationsforthevirtualmachines.
Physicalhost
Roleservice
RAMfor
16-GBconfiguration
RAMfor
32-GBconfiguration
Host1
RDWebAccess,RDGateway
2GB
2GB
RDConnectionBroker,
RDLicensing
1GB
1GB
RDSessionHostserverfarm1
5GB
13GB
RDSessionHostserverfarm2
5GB
13GB
Host2
RDSessionHostserverfarm1
5GB
13GB
RDSessionHostserverfarm2
5GB
13GB
Table3:
Memoryconfigurationfortwofarmdeployment
Anoptionalthirdlowendservercanbeusedasafileserverforahighavailabilityclustersolution.
Figure3:
Twofarmdeploymentonvirtualmachines
Highavailabilitydeployment
OneofthegoalsoftheproposedvirtualizedRDSessionHostsolutionisthatthedeploymentshouldremainoperationalwhenoneofthetwoHyper-Vserversgoesdownorisshutdownforplannedmaintenance.Forexample,theHyper-Vserver,ortheRDSessionHostvirtualmachinerunningonthatserver,needstobepatchedandrestarted.Onecosteffectivewayofachievingthisgoalistousefailoverclusteringa
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