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Fast, Lightweight Virtual Machine Checkpointing

Authors (if Research)
Michael H. Sun, Douglas Blough
Country
USA
Operating Regions
Operating Countries
Georgia Institute of Technology, Center for Experimental Research in Computer Systems, Atlanta, GA, 2010 Abstract: Virtual machine checkpoints provide a clean encapsulation of the full state of an executing system. Due to the large nature of state involved, the process of VM checkpoints can be slow and costly. We describe the implementation of a a fast and lightweight mechanism of VM checkpointing for the Xen virtualization machine monitor that utilizes copy-on-write techniques to reduce the VM’s downtime and performance overhead incurred by other forms of VM checkpointing.
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