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Cloud-data-center-oriented large-scale virtual machine fast migration decision-making method

A decision-making method and virtual machine technology, applied in software simulation/interpretation/simulation, program startup/switching, multi-program device, etc., can solve problems such as reducing the number of migrations, destroying load combination relationships, and lacking migration decision-making methods. Achieve the effect of reducing complexity and reducing the number of migrations

Active Publication Date: 2013-08-14
ZHEJIANG UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are several problems with this method: (1) Migration based on CPU utilization may destroy the combination of loads and integrate competing applications; (2) lack of a fast migration decision method To reduce the number of migrations and the overhead of migration

Method used

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  • Cloud-data-center-oriented large-scale virtual machine fast migration decision-making method
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  • Cloud-data-center-oriented large-scale virtual machine fast migration decision-making method

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Embodiment 1

[0026] A virtual machine energy-saving integrated planning method based on application performance constraints, comprising the following steps:

[0027] Step a: The input information includes the mapping relationship list S from the virtual machine to the physical machine in the initial scheme, and the mapping relationship list T from the virtual machine to the physical machine in the target scheme, and then respectively compare the virtual machine to the physical machine in the initial scheme and the target scheme The mapping relationship is classified, and the set is expressed as CX={CX 1 ,CX 2 ,...,CX s} and CY={CY 1 ,CY 2 ,...,CY t}, s represents the number of types of virtual machine to physical machine mapping in the initial solution, t represents the number of types of virtual machine to physical machine mapping in the target solution, CX i Indicates the mapping relationship between the i-th virtual machine and the physical machine in the initial scheme, X i Indic...

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Abstract

The invention relates to a system-level virtualization technology and a virtual machine migration technology of the computer architecture field and discloses a cloud-data-center-oriented large-scale virtual machine fast migration decision-making method. The cloud-data-center-oriented large-scale virtual machine fast migration decision-making method comprises subjecting an initial scheme and a target scheme which are input to a classification of mapping relations from a virtual machine to a physical machine; performing preprocessing operations, eliminating the same mapping relations in the initial scheme and the target scheme; changing the problem of fast transferring from the initial scheme to the target scheme into finding an optimum matching combination from the initial scheme to the target scheme, performing recursive execution until an initial state or a target state is empty, and finishing the execution; and performing post-processing, subtracting double-counted migration times and outputting the finial migration times and a specific migration decision scheme. The cloud-data-center-oriented large-scale virtual machine fast migration decision-making method can reduce the migration times of the virtual machine as many as possible, reduce the migration overhead of the machine and quicken the migration execution of the virtual machine.

Description

technical field [0001] The invention relates to a system-level virtualization technology and a virtual machine migration technology in the field of computer system structure, in particular to a large-scale virtual machine rapid migration decision-making method for a cloud data center. Background technique [0002] Virtual machine online migration technology is a very important technology, which plays a vital role in the virtualized cloud computing data center. Through the migration of virtual machines, cloud data center administrators can dynamically adjust the load distribution of the data center to achieve load balancing or energy saving. Compared with downtime migration, the downtime caused by online migration is very short, and users often do not feel service interruption. At present, the widely used virtual machine online migration technology is pre-copy technology, that is, during the first round of data transmission, the entire CPU state and memory state are copied f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/48G06F9/455
Inventor 吴朝晖叶可江姜晓红李翔
Owner ZHEJIANG UNIV
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