On-the-fly replacement of physical hardware with emulation

Details On-the-fly replacement of physical hardware with emulation On-the-fly replacement of physical hardware with emulation

2011-03-08

2011-03-08

Ho, Andy (Department: 2194)

Electrical computers and digital processing systems: interprogra

Device driver communication

C718S001000, C703S023000, C703S024000

Reexamination Certificate

active

07904914

ABSTRACT:
Various aspects are disclosed herein for replacing the hardware backing the memory locations associated with a virtual machine with a backing mechanism. The backing mechanism may have the memory locations appear to contain data convenient to the driver in the virtual machine, typically containing what the hardware would have returned if the hardware had been read from. The data image being returned from the memory locations may travel with the virtual machine even if the virtual machine moves to a different physical machine that does not contain hardware equivalent to the hardware that was recently removed from the virtual machine.

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