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Checkpointing and live migration

24 bytes added, 23:24, 25 December 2015
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CPT is an extension to the OpenVZ kernel which can save the full state of a running VE and to restore it later on the same or on a different host in a way transparent to running applications and network connections. This technique has several applications, the most important being live (zero-downtime) migration of VEs and taking an instant snapshot of a running VE for later resume, i.e. CheckPointing.
* http://criu.org/
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[[Category: Technology]]
[[Category: Concepts]]