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Virtual machine on-line migration optimizing method capable of sensing compound application characteristics and network bandwidth

A technology of network bandwidth and application characteristics, which is applied in the field of virtual machine online migration optimization and application characteristic-aware network bandwidth reservation adjustment algorithm, which can solve the problems of long iteration cycle and increased downtime, so as to reduce competition and migration time , Improve the effect of network transmission efficiency

Active Publication Date: 2017-05-31
GUANGXI UNIV
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the influence of application features on the number of memory dirty pages in existing related achievements, ignore the combined effect of memory dirty pages and network bandwidth, and iterate in network-intensive or memory-intensive virtual machine migration scenarios Migration performance problems such as long cycle time and increased downtime, provide an online virtual machine migration optimization method that perceives application characteristics and network environment, which can effectively reduce competition for network resources, improve network transmission efficiency, reduce migration time, and achieve provision of virtual machines. Purpose of Migration Performance

Method used

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  • Virtual machine on-line migration optimizing method capable of sensing compound application characteristics and network bandwidth
  • Virtual machine on-line migration optimizing method capable of sensing compound application characteristics and network bandwidth
  • Virtual machine on-line migration optimizing method capable of sensing compound application characteristics and network bandwidth

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Embodiment Construction

[0033] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0034] The virtual machine online migration optimization strategy for perceiving application characteristics and network environment proposed by the present invention collects virtual machine application characteristic data and network environment characteristic data, and adjusts network bandwidth reservation according to these data, so as to achieve the purpose of optimizing virtual machine migration performance, especially It plays a significant role in the virtual machine migration scenarios involving network-intensive applications and memory-intensive applications.

[0035] After collecting certain samples of virtual machine application characteristics and network environment, these samples will be input into the memory dirty page number prediction model based on GM (1, N) (ie gray prediction model).

[0036] For the selection of predictors of ...

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Abstract

The invention discloses a virtual machine on-line migration optimizing method capable of sensing compound application characteristics and the network bandwidth and belongs to the technical field of software. The method comprises the steps that firstly, an application characteristic environment and network bandwidth environment of a virtual machine are sensed, and the number of memory dirty pages is collected; secondly, the number of memory dirty pages is forecasted by means of a grey prediction model; thirdly, the dirty page rate of an iteration cycle of the virtual machine is calculated; fourthly, the use conditions of the network bandwidth are collected; fifthly, according to the network bandwidth required for applications in the virtual machine, whether the virtual machine is a network-intensive virtual machine or not is judged, and then network bandwidth reservation is conducted. In the face of virtual machine migration of network-intensive applications or memory-intensive applications, extra overhead in the migration process can be reduced, the transmission efficiency in the migration process is improved, and the migration time is effectively reduced.

Description

technical field [0001] The invention designs an online migration optimization method of a virtual machine that perceives application characteristics and network environment, especially an application characteristic-aware network bandwidth reservation adjustment algorithm, which belongs to the field of software technology. Background technique [0002] With the wide application of virtualization technology, the dynamic management of virtual machines has become more and more important, and online migration is an important means of dynamic management of virtual machines. Live migration is a network-intensive activity that requires the transfer of several gigabytes or even tens of gigabytes of virtual machine memory state from the source host to the destination host. In addition to occupying network resources, online migration consumes additional physical resources such as memory and CPU. [0003] Currently, traditional online migration methods include pre-copy (pre-copy), post...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/455
CPCG06F9/45558G06F2009/4557G06F2009/45595
Inventor 陈宁江李湘杨尚林
Owner GUANGXI UNIV
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