A virtual machine dynamic placement method
A virtual machine, dynamic technology, applied in multi-programming devices, program control devices, program startup/switching, etc., can solve the problems of high time complexity and difficulty in adapting to the data center environment.
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[0047] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0048] Set the set of virtual machines to be migrated as {v 1 ,v 2 ,...,v n}, virtual machine v i The maximum resource requirement of is expressed as a 3-dimensional vector virtual machinev i The resource utilization of is expressed as a 3-dimensional vector
[0049] r i mem ,r i cpu ,r i bw respectively represent the virtual machine v i The maximum demand for memory, CPU and network bandwidth; respectively represent the virtual machine v i The usage of memory, CPU and network bandwidth.
[0050] Set the set of physical hosts used to place virtual machines as {p 1 ,p 2 ,...,p m}, physical host p j The maximum resource capacity of is expressed as a 3-dimensional vector physical host p jThe resource utilization of is expressed as a 3-dimensional vector
[0051] Respectively represent the physical host p j The maximum...
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