Large file distribution method based on CDN

A technology for large files and files, applied in the field of large file distribution based on CDN, can solve problems such as performance degradation, CDN network communication service suspension, cache system load congestion, etc., to reduce computing load, improve data distribution effect, and achieve response speed. Effect

Active Publication Date: 2019-03-01
华云工业互联网有限公司
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AI Technical Summary

Problems solved by technology

Although there are technical solutions for concurrent downloading in the existing technology to solve the download of large files, when traditional large files are downloaded concurrently, the access requests containing large files are also placed in the same edge node
This will lead to congestion of the cache system load in one or some edge nodes in the CDN, resulting in performance degradation of the entire CDN, and even a standstill of CDN network communication services

Method used

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  • Large file distribution method based on CDN
  • Large file distribution method based on CDN
  • Large file distribution method based on CDN

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Embodiment Construction

[0023] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.

[0024] Please refer to Figure 1 to Figure 4 A specific implementation manner of the CDN-based large file distribution method of the present invention is shown. In this embodiment, the method for distributing large files based on CDN is mainly realized by the following steps.

[0025] The DNS module 20 receives the request sent from the client 10, and sends the request to the metadata server 30; the metadata server 30 judges whether the request is a large file by retrieving its built-in file list information, if the request is a ...

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Abstract

The present invention provides a method for distributing large files based on CDN, comprising: a DNS module receives a request sent from a client and sends it to a metadata server; the metadata server checks whether the request is a large file by retrieving its built-in file list information Make a judgment, if the request is a large file, then reply to the DNS module, and the DNS module and the load balancing system select at least one healthy edge node from the edge node set according to the predetermined strategy to respond to the client . In the invention, in the present invention, at least one edge node in a healthy state is selected from the edge node set according to a predetermined strategy through the DNS module and the load balancing system in the edge node set, so as to realize the response speed of users to concurrent requests for large files and reduce It reduces the computing load of edge nodes and improves the effect of data distribution based on concurrent requests for large files in the CDN environment.

Description

technical field [0001] The invention relates to the technical field of content distribution network, in particular to a method for distributing large files based on CDN. Background technique [0002] With the rapid development of Internet services, the improvement of the service quality and user experience of service applications such as network applications or large file downloads is no longer limited to the underlying network control. Content delivery network (Content Delivery Network, CDN) technology came into being. CDN is a specially optimized network coverage layer that can distribute bandwidth-rich media on traditional IP networks. CDN is a network service model based on quality and order. CDN aims to improve the service quality and user experience of Internet services, and provides better network application experience to end users of Internet services through network edge nodes (Network Edge Node, NEN). [0003] At present, the distribution requests of large file...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/06
CPCH04L67/06H04L67/1008H04L67/01
Inventor 许广彬郑军苗权王燕
Owner 华云工业互联网有限公司
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