Virtualization technology and an application of building vm ware

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Thesis Presentation

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  • 1. Virtualization Technology and An Application of Building VmWare
    Mehmet Açıkgöz
  • 2. What is virtualization ?
    Method which aims to use the resources effectively.
    Isolation of computing resources from users.
    2 types of virtual machines
    2
  • 3. These virtual machines share the physical resource between each other.
    Each virtual machine has own operating system.
    Hardware sharing is set by an interface.
    System Virtual Machines
    3
  • 4. VM which is designed to operate just one software.
    Runs on an OS as a module.
    Provides to execute only one process.
    The software which uses the resource provided by any VM can not step out to the virtual environment.This is the most important characteristic feature of VMs.
    Process Virtual Machine
    4
  • 5.  Conceptof incorporating virtualization at a layer beloweven the OS
    Virtualization layer often called as a Hypervisor(Virtual Machine)
    Each of the individual virtual machines is completely and wholly segregated from each other.
    Hardware Virtualization
    5
  • 6. The internal resources of each virtual machine are replicated withHardware Virtualization
    Eachvirtual machine is atomic and they request physical resources through the hypervisor layer.
    Cont’d
    6
  • 7. Full emulation of complete hardware
    Supports different hardware components on a different hardware infrastructure
    Enableseach virtual machine to work with its own processor, RAM-everything physical computer contains.
    Hardware Emulation
    7
  • 8. GuestOS operatesin virtual machines within the virtualization application whichruns on top of the host OS in the same way as any other application.
    Each hosted virtual machine must be the exact same OS as the host.
    OS Virtualization
    8
  • 9. differs is that it does not simulate hardwareresources but instead offers a special Application Programming Interface (API) to hosted virtual machines
    Paravirtualization
    9
  • 10. Application Virtualization
    Software virtualization, unlike the other types, does not deal with whole systems.
    Instead, itencapsulates applications into virtualizationenvironments forenhanced distribution and administration
    10
  • 11. Allowsthe use of virtual machines to let multiple network subscribers maintain individualized desktops on a single, centrally located computer or server.
     
    Users may be geographically scattered, but all may be connected to the central machine by a LAN,WAN, or the public Internet.
    Desktop Virtualization
    11
  • 12. VMware's desktop software runs on Windows,Linux and Mac OS X.
    It has ESX software series (bare-metal) for enterprises
    They run on hardware as a hypervisor
    Some products:Vmware Server,Vmware ESX,Vmware ESXi,Vmware ThinApp
    VmWare & Its Rivals
    12
  • 13. An extensiveand open source machine emulator and virtualizer.
    As a virtualizer QEMU achieves near native(nonvirtualized)performanceby executing the guest code directly on the host CPU
    Qemu
    13
  • 14. Supports virtualization when executing under the Xen hypervisor or using the KVM kernel module in Linux.
    When using KVM, QEMU can virtualize x86, server and embedded PowerPC
    Cont’d
    14
  • 15. Windows Virtual PC
    Windows-hosted version as a free product
     It originally required hardware virtualization support 
    updatedto Microsoft Virtual PC which allows it to run on PCs without hardware support
    15
  • 16. Cause problems with open source OS such as upgrading of kernel
    Correct permissions on Windows Vista
    Unidentified program requires access to the computer
    Problems
    16
  • 17. S.W.O.T Analysis
    Strengths
    Weaknesses
    Adaptability
    Live migration
    Leader in the industry
    Cost
    Mere presence of Microsoft
    17
  • 18. S.W.O.T Analysis
    Threats
    Opportunities
    Virtual Desktop Management
    Virtual Application Arena
    Security breaches
    New companies which emerge in virtualization arena
    18