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A method and system for downloading files through network cache

A file and caching technology, applied in the field of network caching in Internet technology, can solve the problems of inefficient processing of web caching, achieve efficient web caching processing, shorten response delay, and save network bandwidth

Active Publication Date: 2018-02-16
广州中海电信有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the main purpose of the present invention is to provide a method and system for downloading files through web cache, which solves the problem that web cache can only perform inefficient processing for the content updated by the aforementioned additional writing method

Method used

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  • A method and system for downloading files through network cache
  • A method and system for downloading files through network cache

Examples

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Embodiment Construction

[0036]The basic idea of ​​the present invention is: generate a content file, and set the attribute of the content file as append only, and save the content file on the content providing node; when the web cache receives the content sent by the client After the file is requested, check the copy stored locally. If the content in the copy is incomplete and the attribute of the content file is appendonly, a request is made to the content providing node to obtain the missing content in the copy; after the web cache updates the copy saved locally, the user The content file requested by the client is returned to the client.

[0037] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0038] figure 1 It is a schematic flow chart of a method for downloading files through web cache in the present invention, such as figure 1 As shown, the method includes:

[0039] Step 101, generati...

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PUM

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Abstract

The invention discloses a method downloading files through network (web) caching. The content files are generated, properties of the content files are additional writing in (append only), and the content files are stored to content providing nodes; when the web caching receives content file requests sent by a user side, transcripts stored in a local mode are detected, and if content in the transcripts is not complete and the properties of the content files are append only, requests are sent to the content providing nodes to obtain content missed by the transcripts; and after the web caching updates the transcripts stored in the local mode, the content files requested by the user side are fed back to the user side. The invention further discloses a system, and high-efficiency web caching processing can be achieved through the method and the system. Meanwhile, network bandwidth is saved, and response delay is shortened.

Description

technical field [0001] The invention relates to the technical field of network cache in Internet technology, in particular to a method and system for downloading files through network cache. Background technique [0002] The Hyper Text Transfer Protocol (HTTP) standard is currently one of the most widely used network transfer protocols on the Internet. The World Wide Web (WWW) is an application based on HTTP. It is a client-to-server model, which realizes information exchange based on HTTP standard request and response messages. The rapid development of WWW applications has led to network congestion and server overload, resulting in increased client access delays and other issues. To this end, a network (web) caching system was introduced. A web cache sits between the client and the content origin server. When the client requests content, the web cache is used to save a copy of the output content of the source server, so that when the next request for the same content ar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08
Inventor 林建华李文华王芳刘继年
Owner 广州中海电信有限公司
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