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Method and system for migrating data

A technology of data and source data, applied in the field of communication, can solve problems such as unacceptable cost and technical difficulty, too small network bandwidth, difficult cloud computing virtualization ability to promote computing resources, etc.

Active Publication Date: 2014-03-26
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] At present, due to the limitation of wide area network conditions, such as too small network bandwidth or severe delay, the virtual machine migration technology is mainly used in the data center and within the LAN range. The wide area high-speed migration technology needs the support of wide area Ethernet networking technology to be realized. High-performance wide-area networking requirements are unacceptable to current network operators in terms of cost and technical difficulty
Therefore, it is difficult to extend the virtualization capabilities of cloud computing to all computing resources connected to the network

Method used

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  • Method and system for migrating data

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Embodiment Construction

[0031] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0032] figure 1 It is a schematic diagram of an embodiment of the data migration method of the present invention. Such as figure 1 As shown, the steps of the method for migrating data in this embodiment are as follows:

[0033] Step 101, the cloud management node sends first request information for generating an image file to the source data node, where the first request information includes data identification information.

[0034] Step 102: After receiving the first request information, the source data node generates an image file of the data corresponding to the data identification information, and sends the first request response information to the cloud management node.

[0035] Step 103: After receiving the first request response information, the cloud management node sends second request ...

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Abstract

The invention discloses a method and system for migrating data. The method for migrating the data comprises the following steps: first CDN cache nodes related to source data nodes are selected by a migration gateway, and second CDN cache nodes related to each target data node are selected respectively; the first CDN cache nodes download mirror image files from the source data nodes and forward the mirror image files to the second CDN cache nodes; a CDN management node sends request information used for indicating that caching of the mirror image files is completed to a cloud management node through the migration gateway; the cloud management node sends download information of downloading the mirror image files to each target data node.; each target data node acquires the mirror image files from the second CDN cache nodes related to the target data nodes after receiving the download information. The transmission of the mirror image files is achieved by using a CDN network, so that the virtualization capacity of cloud calculation can be extended to all networked calculation resources on the premise that the conventional network is not required to be reconstructed.

Description

technical field [0001] The invention relates to the communication field, in particular to a method and system for migrating data. Background technique [0002] IaaS (Infrastructure as a Service) technology has been widely used in industry IT (Information Technology, information technology) departments and various cloud computing data centers for IT infrastructure management and application platform construction. Among them, virtualization technology is one of the core technologies of cloud computing. It simulates a physical server or host into multiple servers or hosts, called virtual machines. It uses the network environment and a large number of distributed virtual machines to further form the so-called resource The pool realizes the flexible and distributed use of computing resources. This transformative technology greatly improves the performance of computing facilities in terms of resource utilization, green energy saving, manageability, and business efficiency. [000...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 欧亮陈戈邹洁朱永庆阮科陈华南唐宏
Owner CHINA TELECOM CORP LTD
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