High energy & nuclear physics



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  • Information Management

    • Service catalog
    • Resource catalog


  • Virtualization and Hypervisors

    • Virtualization and Hypervisors

      • hide the physical hardware – simulate the hardware: virtual machine
      • allows the execution of multiple OS on the same hardware
      • hypervisor: manages virtual machine monitors and execute base functions (e.g. scheduling)
      • full virtualization (e.g., VMWare): include binary translation of non-virtualizable (e.g., privileged instructions in x86) instructions
      • paravirtualization (e.g., Xen): modify the OS + hyper-calls to the hypervisor to replace non-virtualizable instructions
      • hardware-assisted virtualization: WM monitor executed in a specific “root” mode + virtualization tasks in hardware + control of the I/O by the hypervisor

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