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Compared with this old scheme, CPT allows migration of a VE in a way which is essentially invisible both for users of this VE and for external clients using network services located inside the VE. It still introduces a short delay in service, required for actual checkpoint/restore of the processes, but this delay is indistinguishable from a short interruption of network connectivity.
{{Note|In future kernels, CPT is to be replaced by our sub-project [http://criu.org CRIU]}}
== Online migration ==
or
<pre>vzctl restore VEID --kill</pre>
== See also ==
* http://criu.org/
[[Category: Technology]]
[[Category: Concepts]]
