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Chapter 16 Virtual Machines Silberschatz - Operating System Concepts…

- - - - The source VMM establishes a connection with the target VMM and confirms that it is allowed to send a guest.
      - The target creates a new guest by creating a new VCPU , new nested page table, and other state storage.
      - The source sends all read-only memory pages to the target.
      - The source sends all read-write pages to the target, marking them as clean.
      - The source repeats step 4, as during that step some pages were probably modified by the guest and are now dirty. These pages need to be sent again and marked again as clean.
      - When the cycle of steps 4 and 5 becomes very short, the source VMM freezes the guest, sends the VCPU ’s final state, sends other state details, sends the final dirty pages, and tells the target to start running the guest. Once the target acknowledges that the guest is running, the source terminates the guest.