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Dynamic threshold value-based cloud-computing virtual-machine migration control method

A virtual machine migration and dynamic threshold technology, applied in computing, energy-saving computing, program control design, etc., can solve the problems of virtual machine migration, not considering the cost of virtual machine migration, and virtual machine performance loss.

Active Publication Date: 2018-06-15
NANJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

[0005] In the virtual machine migration strategy of cloud computing servers, most algorithms aimed at reducing energy consumption have common defects: 1. The migration cost of virtual machines is not considered; 2. Frequent migration of virtual machines is likely to cause performance loss; 3. There are instantaneous load peaks, causing unnecessary virtual machine migration; 4. Static thresholds are not flexible

Method used

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  • Dynamic threshold value-based cloud-computing virtual-machine migration control method
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  • Dynamic threshold value-based cloud-computing virtual-machine migration control method

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Embodiment Construction

[0040] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0041] The premise of this article is to use virtualization technology to first assign tasks to each virtual machine, then initialize the placement according to the resource requirements of the virtual machine, and assign the virtual machine to the corresponding server. For each server after initial placement, this article first presets a conventional high and low threshold to identify whether the server is overloaded, under-loaded or a normal server. Next, this paper uses time-based prediction technology to measure the resource utilization of each virtual machine, that is, the resource utilization of a given server, and then dynamically change the threshold according to the integration of the predicted load and the actual load, and finally make a corresponding response according to the dynamic threshold. virtual machine...

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Abstract

The invention relates to a dynamic threshold value-based cloud-computing virtual-machine migration control method. An average utilization rate of CPUs in physical machines can be increased while SLA violation frequency is reduced, low-energy-consumption physical machines can be emptied at the same time, and thus the number of active physical machines is decreased. In addition, compared with traditional methods, the method of the invention can reduce unreasonable virtual-machine migration frequency, ensure, as far as possible, that migration costs become lowest, and achieve an effect of low energy consumption and high energy efficiency.

Description

technical field [0001] The invention relates to a cloud computing virtual machine migration control method based on a dynamic threshold, and belongs to the technical field of cloud computing and energy consumption. Background technique [0002] As a new Internet computing model, the cloud computing model realizes the on-demand allocation of software and hardware resources in the Internet. It describes a new IT service increase, use and delivery model. Users no longer need to understand the details of the infrastructure, nor It does not require direct administrative control over it. Cloud computing includes the following levels of services: Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS). [0003] The high reliability, versatility, high scalability, on-demand service, and low cost of cloud computing have made more and more enterprises pay attention to and use cloud computing platforms, and the scale of cloud data centers has ...

Claims

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Application Information

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IPC IPC(8): G06F9/48G06F9/455G06F9/50
CPCG06F9/45558G06F9/4856G06F9/5088G06F2009/4557G06F2209/5019Y02D10/00
Inventor 付雄赵庆乔磊王俊昌
Owner NANJING UNIV OF POSTS & TELECOMM
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