正文描述:《How the Active Directory Replication Model Works》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Updated:July16,2009AppliesTo:WindowsServer2003,WindowsServer2003R2,WindowsServer2003withSP1,WindowsServer2003withSP2,WindowsServer2008,WindowsServer2008R2HowtheActiveDirectoryReplicationModelWorksInthissection·ActiveDirectoryReplicationModelArchitecture·ActiveDirectoryReplicationModelPhysicalS
2、tructure·ActiveDirectoryDataUpdates·DomainControllerNotificationofChanges·IdentifyingandLocatingReplicationPartners·UrgentReplication·NetworkPortsUsedbyActiveDirectoryReplication·RelatedInformationActiveDirectorydatatakestheformofobjectsthathaveproperties,orattributes.Eachobjectisaninstanceofa
3、nobjectclass,andobjectclassesandtheirrespectiveattributesaredefinedintheActiveDirectoryschema.Thevaluesoftheattributesdefinetheobject,andachangetoavalueofanattributemustbetransferredfromthedomaincontrolleronwhichitoccurstoeveryotherdomaincontrollerthatstoresareplicaofthatobject.NoteInWindows20
4、00ServerandWindowsServer2003,thedirectoryserviceisnamedActiveDirectory.InWindowsServer2008andWindowsServer2008R2,thedirectoryserviceisnamedActiveDirectoryDomainServices(ADDS).TherestofthistopicreferstoActiveDirectory,buttheinformationisalsoapplicabletoADDS.Thus,ActiveDirectoryreplicatesdirecto
5、rydataupdatesattheattributelevel.Inaddition,updatesfromthesamedirectorypartitionarereplicatedasaunittothecorrespondingreplicaonthedestinationdomaincontrolleroverthesameconnectiontooptimizenetworkusage.Theinformationinthissectionappliestoorganizationsthataredesigning,deploying,oroperatinganActi
6、veDirectoryinfrastructurethatsatisfiesthefollowingrequirements:·ADomainNameSystem(DNS)infrastructureisinplacethatmanagesthenameresolutionfordomaincontrollersintheforest.ActiveDirectory-integratedDNSisassumed,whereinDNSzonedataisstoredinActiveDirectoryandisreplicatedtoalldomaincontrollersthatar
7、eDNSservers.·AllActiveDirectorysiteshavelocalareanetwork(LAN)connectivity.·IPconnectivityisavailablebetweenalldatacenterlocationsandbranchsites.Thelimitsfordatathatcanbereplicatedinonereplicationcycleareasfollows:·Valuesthatcanbetransfe
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