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Survey on Live VM Migration Techniques

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Author(s): Anju Mohan, Shine S

Journal: International Journal of Advanced Research in Computer Engineering & Technology (IJARCET)
ISSN 2278-1323

Volume: 2;
Issue: 1;
Start page: 155;
Date: 2013;
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Keywords: Virtual machine | live migration | post-copy | pre-copy | stop and copy

ABSTRACT
Virtual Machines(VMs) refers to the softwareimplementation of a computer that runs its own OS andapplications as if it was a physical machine(PM). Live migrationof VMs allows a server administrator to move a running virtualmachine or application among different physical machineswithout disconnecting the client or application. Total migrationtime and downtime are two key performance metrics that theclients of a VM service care about the most, because they areconcerned about service degradation and the duration that theservice is completely unavailable. When a VM is migrating, it isimportant that this transfer occurs in a manner that balancesthe requirements of minimizing both the downtime and the totalmigration time.
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