Definition

Microsoft Windows Live Migration compression

Live migration compression, also called live migration with compression, is a default setting in  Windows Server 2012 R2 that compresses a virtual machine's (VM's) memory prior to transmitting it to a target host.  

Compression reduces bandwidth consumption and can decrease the amount of time required to migrate a live VM by half. Once the VM reaches its destination, its memory is decompressed.  Microsoft includes performance counters with Live Migration compression that allow administrators to see what see exactly which CPU resources are being used for compression and how much data is being compressed.

See also: live migration

Contributor(s): Toni Boger
This was last updated in November 2013
Posted by: Margaret Rouse

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