Method and system for downloading data resources

A technology of data resources and resources, applied in the field of data transmission, can solve the problem of low efficiency of data transmission resources, and achieve the effect of saving time, reducing load and improving efficiency

Active Publication Date: 2018-08-28
CHINANETCENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] With the expansion of the business scope of the CDN service cluster, there are more and more CDN nodes as clients, and the data volume of data resources is also increasing. Therefore, the server often needs to spend a lot of time and allocate a large amount of bandwidth, throughput, etc. Performance to achieve the transmission of data resources, therefore, the efficiency of transmitting data resources is low

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  • Method and system for downloading data resources
  • Method and system for downloading data resources
  • Method and system for downloading data resources

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Embodiment Construction

[0057] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0058] The embodiment of the present invention provides a method for downloading data resources. The method can be implemented by a device cluster, which includes a large number of network devices, and can be a CDN service cluster or other clusters that require downloading data resources. The network devices in the device cluster can be mainly divided into scheduling devices, source devices and resource receiving devices. For the specific system framework, please refer to figure 1 shown. Among them, the scheduling device can be used to schedule and manage the resource receiving device during the process of downloading data resources by the resource receiving device, the source device can be used to store the data resources to be distri...

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Abstract

The invention discloses a method and a system for downloading data resources, and belongs to the technical field of data transmission. The method comprises the following steps that: when starting to download a target data resource, first equipment determines a plurality of pieces of alternative equipment storing data slices of the target data resource, and slice serial numbers of the data slices stored in each piece of alternative equipment; the first equipment acquires the total number of data slices of data resources of the same type as the target data resource downloaded from the alternative equipment; and the first equipment downloads all the data slices of the target data resource according to the slice serial numbers, the total number of slices and preset time-out switching length. Through adoption of the method and the system, the efficiency in transmitting data resources can be increased.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a method and system for downloading data resources. Background technique [0002] With the continuous advancement of Internet technology, CDN (Content Delivery Network, Content Delivery Network) services are also developing rapidly. The CDN service cluster includes a large number of cache devices for storing data resources, and users can obtain the data resources stored in them in a short time. [0003] At present, most CDN service clusters adopt the Client / Server mode to realize the transmission of data resources between CDN nodes. When there are data resources to be transmitted, the source device can act as a server (i.e., the sending end of data), and the CDN node can act as a client (i.e., a receiving end of data), and the source device can simultaneously transmit the above data resources to multiple CDN nodes, thereby Deploy data resources on multiple CDN nodes. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/06H04L67/108H04L67/63H04L67/568H04N21/2181H04N21/2407H04N21/25841H04N21/262
Inventor 陈永煌苏宗磊邹昱芳
Owner CHINANETCENT TECH
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