SYSTEM AND METHOD TO PERFORM LIVE MIGRATION OF A VIRTUAL MACHINE WITHOUT SUSPENDING OPERATION THEREOF
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United States of America Patent
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Jun 6, 2017
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Jun 20, 2016
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Abstract
First and second machines include first and second memories, respectively, and are accessible to a shared memory. The first machine executes copying data stored in the first memory allocated to the virtual machine to the shared memory, and translates a physical address for the virtual machine to access to the data, from an address of the first memory to an address of the shared memory. When copying of all data in the first memory to the shared memory completes and the first machine changes over control of the virtual machine from the first machine to the second machine, the second machine executes copying the data stored in the shared memory to the second memory allocated to the virtual machine, and translates a physical address for the virtual machine to access the data, from an address of the shared memory to an address of the second memory.
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