Date: 6/3/2019
Server virtualization with KVM
Linux System Administration

Virtualization challenges on x86

  • The virtualization implies sharing of CPU, RAM and I/O between the vitual machines (VMs). The traditional x86 platform was not designed for this.

  • CPU virtualization challenges: how to share the privileged mode (Ring 0)?

  • Memory virtualization challenges involve sharing the physical system memory and dynamically allocating it to virtual machines.
  • Device and I/O virtualization involves managing the routing of I/O requests between virtual devices and the shared physical hardware.

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