On the Necessity of VM Migration: Simulation on Datacenter Network Resources

With the exception of solid state drive, the network I/O generally increases at a faster pace than the I/O capacity of hard disk drive. If the gap between the disk I/O and the network I/O continues to grow, current technologies that are tuned to current state may not be the optimal choices anymore....

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Bibliographic Details
Published in:Wireless personal communications 2016-02, Vol.86 (4), p.1797-1812
Main Authors: Jung, Jongtack, Kim, Kangho, Kim, Hwangnam
Format: Article
Language:English
Subjects:
Communications Engineering
Computer Communication Networks
Data centers
Data storage
Disk drives
Engineering
Migration
Networks
Optimization
Signal,Image and Speech Processing
Simulation
Virtual environments
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Summary:With the exception of solid state drive, the network I/O generally increases at a faster pace than the I/O capacity of hard disk drive. If the gap between the disk I/O and the network I/O continues to grow, current technologies that are tuned to current state may not be the optimal choices anymore. One of such technologies may be virtual machine migration (VMM). VMM is one of the most frequently mentioned operations in datacenters. One of the purposes of VMM is to ensure the data used by the virtual machine (VM) and the VM using the data are close to each other. However, if the VMMs require longer period of freeze time , VMM under certain situations may be unnecessary. In this paper, a series of simulations are carried out to show that VMM of some cases may not be necessary with enhanced network capacity.
ISSN:0929-6212
1572-834X
DOI:10.1007/s11277-015-3105-8