Large file distribution method based on CDN

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

Active Publication Date: 2016-12-14
华云工业互联网有限公司
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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

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  • Large file distribution method based on CDN
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  • 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 invention provides a large file distribution method based on a CDN. The method comprises the following steps: a DNS module receives a request sent by a client and sends the request to a metadata server; and the metadata server retrieves built-in file list information to judge whether the request is a large file, and responds to the DNS module if the request is the large file, and the DNS module and a load balancing system select at least one edge node in a healthy state from an edge node set according to a predetermined strategy in the edge node set to respond to the client. In the large file distribution method provided by the invention, the DNS module and the load balancing system select at least one edge node in the healthy state from the edge node set according to the predetermined strategy in the edge node set, so that the response speed of a user to a concurrent request of large files is realized, the calculation load of the edge node is reduced, and the data distribution effect of the large files based on the concurrent request in the CDN environment is improved.

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 Applications(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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