On-the-fly replacement of physical hardware with emulation
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United States of America Patent
Stats
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Jul 22, 2014
Grant Date -
Nov 1, 2012
app pub date -
Jul 12, 2012
filing date -
Sep 30, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
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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