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Cloud computing virtual machine live migration technology

A cloud computing and computer thermal technology, applied in the field of cloud computing, can solve the problems of large resource consumption and long downtime, avoid occupying too many resources, improve flexibility, solve the problem of heterogeneity and abstract heterogeneity of resources effect of the problem

Inactive Publication Date: 2013-04-24
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the problems of large resource consumption and long downtime of the existing hot migration technology, the patent of the present invention proposes a new virtual machine hot migration method in the field of cloud computing

Method used

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  • Cloud computing virtual machine live migration technology
  • Cloud computing virtual machine live migration technology
  • Cloud computing virtual machine live migration technology

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0017] The memory migration scheme realized by the present invention is as follows: figure 1 shown.

[0018] Figure 1 The specific steps of memory migration are described in detail in:

[0019] Step 1: Pre-migration phase. The memory pages of the virtual machine are migrated circularly.

[0020] Step 2: Stop the copy phase. Both the virtual machines on the source host and the destination host stop running, and the dirty pages left over from the pre-migration stage are copied.

[0021] Step 3: Recovery phase. Resume the operation of the virtual machine on the destination host.

[0022] Figure II The specific steps of the pre-migration phase are described in detail in:

[0023] Step 1: Send all memory page data to the destination host. And the virtual machine on the source host continues to run during this process.

[0024] Step 2: Carry out n time...

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Abstract

The invention provides an automatic and flexible method of virtual machine live migration in the field of cloud computing. The method can deal with severe network environments, reduce system resource consumption, improve system usability, and obtain ideal system stop time. According to the memory transfer scheme of the method, memory page pre-copy technology is adopted so as to achieve the purpose of reducing stop time, and a central control engine is used for real-time monitoring of utilization conditions of resources in a cloud computing environment, the live migration can be initiated independently. Meanwhile, the method realizes the technology of live migration between virtual machine monitors which are different in type, and increases flexibility of the live migration.

Description

technical field [0001] The patent of the present invention belongs to the field of cloud computing and relates to a virtual machine hot migration system. This technology can completely save the running state of the entire virtual machine, and can also realize rapid recovery on the original hardware or even different hardware. The virtual machine can still run smoothly throughout the recovery process, and the user will not notice any difference. The invention proposes a high-efficiency, low-data-volume, flexible and autonomous novel thermal migration technology. Background technique [0002] In the cloud computing model, in order to meet the dynamic needs of users for shared resources, resources must be managed uniformly and allocated dynamically. Virtualization technology provides an effective solution for resource management in the cloud computing model. By encapsulating services in virtual machines and mapping them to physical servers, virtualization technology can rema...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/48G06F9/455
Inventor 向艳萍余盛季
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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