CSE 8343 – Adv. OS Group A5Group membersPaper Presentation IDistributed File Systems (DFS)Sun’s Network File SystemPaper Presentation IIDA - Windows NTDFS – Windows NTSurvey Paper IReal time operating systems (RTOS)RTOS - VxWorksAny QuestionsCSE 8343 – Adv. OSCSE 8343 – Adv. OSGroup A5Group A5Proposal for Paper Presentation I & IIProposal for Paper Presentation I & IIandandSurvey paper ISurvey paper IGroup membersGroup membersAmit SharmaAmit SharmaDhaval SanghviDhaval SanghviAli Abbas (videotape student)Ali Abbas (videotape student)Paper Presentation IPaper Presentation I Area: Distributed File Systems (DFS)Area: Distributed File Systems (DFS) Topic: Sun’s NFSTopic: Sun’s NFSDistributed File Systems (DFS)Distributed File Systems (DFS)What is a DFS and why we need oneWhat is a DFS and why we need oneRequirements of a DFSRequirements of a DFSSome FeaturesSome Features–MountingMounting–CachingCaching–Write policyWrite policy–ScalabilityScalabilitySun’s Network File SystemSun’s Network File SystemHistory of NFSHistory of NFSAlternatives to NFSAlternatives to NFSArchitecture of NFSArchitecture of NFSImplementationImplementationPaper Presentation IIPaper Presentation IIDistributed Architecture (DA)Distributed Architecture (DA) Windows NTWindows NTDA - Windows NTDA - Windows NT Why Windows NT - Limitations of MS-DOSWhy Windows NT - Limitations of MS-DOS Design Goals of Windows NTDesign Goals of Windows NT Windows NT ArchitectureWindows NT Architecture Main FeaturesMain Features Three LayersThree Layers Upper – ExecutiveUpper – Executive A) Object Manager (OM)A) Object Manager (OM) B) Process Manager (PM)B) Process Manager (PM) C) Local Procedure Call Facilities (LPC)C) Local Procedure Call Facilities (LPC) D) Virtual Memory Manager (VM)D) Virtual Memory Manager (VM)DFS – Windows NTDFS – Windows NTE) Security Reference Monitor ( SRM)E) Security Reference Monitor ( SRM)F) I/O ManagerF) I/O Manager Middle – KernelMiddle – Kernel Lower – HardLower – Hard88ware Abstraction Layerware Abstraction LayerEnvironment SubsystemsEnvironment Subsystems»Win 32 subsystemWin 32 subsystem»OS/2 SubsystemOS/2 Subsystem»MS-DOS EnvironmentMS-DOS Environment»16 Bit Windows Environment16 Bit Windows Environment»POSIX ClientPOSIX ClientBibliographyBibliographySurvey Paper ISurvey Paper IReal Time Operating SystemsReal Time Operating SystemsVxWorksVxWorksReal time operating systems Real time operating systems (RTOS)(RTOS)What is a RTOSWhat is a RTOSHow is it different from non RTOSHow is it different from non RTOSMisconceptions about RTOSMisconceptions about RTOSRTOS - VxWorksRTOS - VxWorksKey componentsKey components»Interrupt service routines (ISR’s)Interrupt service routines (ISR’s)»TasksTasks»Task schedulerTask scheduler»The watchdogThe watchdog»SemaphoresSemaphoresAny QuestionsAny
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