微软演示稿经典剪辑图例-3

1、Stateful vs. StatelessKeep duration of session state to a minimumKeep state in resource managersPresentationServiceWeb ServiceASMXEnterpriseServiceEnterpriseServicePartitioning servicesRead-only data servicesCan be replicatedCan be indexedLazy updates are fineRead-write data servicesCache-coherencyP

2、artition if you canEnterpriseServiceEnterpriseServiceEnterpriseServiceIsolationIndependent failureControl your own processingMaximizes throughputAllows temporal decouplingPresentationServiceWeb ServiceASMXEnterpriseServiceQueueInfrastructureProcessService ArchetypesOperationDataValidationChoosing wh

3、ere to validateAutonomousTrusted sub-systemOperations services trust Process serviceGuiding PrinciplesProductiveIntegratedExtensibleCapableShort learning curveMinimal administrative overheadTools integrated tightlyAutomates common tasksCustomizable for your processIntegrates with 3rd party toolsRemo

4、tely accessibleRobust, secure, scalableMOM 2005 ArchitectureManagement ServerMOM Database MOM DataWarehouseReportingConsole OperationsConsole AdminConsole MOM AgentMOM 2005 Management GroupTinaSQL Systems EngineerFinance TeamM, W, F 8am 2pmMarkSQL Systems EngineerSales TeamT, Th 2pm 8pmRobinInfra Sy

5、stems EngineerCentral IT TeamM, F 10am 4pmSQLCore Finance ApplicationWindows Server 2003SQLCore Sales ApplicationWindows Server 2003 Web Application Web ApplicationXXXXSteveSQL Systems EngineerFinance TeamT, Th 8pm 2amFinance DepartmentSQL Failure Wed 11:53amSales DepartmentSQL Failure Thurs 10:02pm

6、SQL FailureThurs 5:05pmWindows failureMon 11pmWindows FailureFri, 3:30pmNotification Workflow ScenarioTransaction ManagerLogSavingsCheckingWithdrawDepositBegin TxTransferCommit TxTMState Transformation Is The Whole Purpose Of Most ApplicationsTransientVolatileTransientPermanentPermanentTransientPerm

7、anentPermanentManagementQuestionsLists(Bugs, Requirements, etc)Source CodeAssetsTeamCommunicationProcessGuidanceReleasesTeam SystemReduces ComplexityFacilitates CommunicationEnables PartnersToolsToolsStateless Doesnt Really ExistStateless is a static conceptEverything is stateful when it runsUpgrade ArchitectureSQL 2000 AvailableSQL 2000 ShutdownSQL 2005 Full InstallTransfer SettingsDowntimeSQL 2005 Single User Core UpgradeSQL 2005 Multi UserComponent UpgradeSQL 2005 Par