Reactive consolidation of virtual machines enabled by postcopy live migration

  title={Reactive consolidation of virtual machines enabled by postcopy live migration},
  author={Takahiro Hirofuchi and Hidemoto Nakada and Satoshi Itoh and Satoshi Sekiguchi},
Dynamic consolidation of virtual machines (VMs) through live migration is a promising technology for IaaS datacenters. VMs are dynamically packed onto fewer server nodes, thereby eliminating excessive power consumption. Existing studies on VM consolidation, however, are based on precopy live migration, which requires dozens of seconds to switch the execution hosts of VMs. It is difficult to optimize VM locations quickly on sudden load changes, resulting in serious violations of VM performance… CONTINUE READING
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