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Method and system for downloading and updating file

A technology for updating files and files, applied in the network field, can solve the problems of not receiving tasks, not downloading files, consuming large bandwidth, etc.

Inactive Publication Date: 2018-07-27
GUIZHOU BAISHANCLOUD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (1) The single-point mode is limited by the machine load and the number of concurrency bottlenecks, the distribution efficiency is low, and the reliability is poor;
[0006] (2) Centralized back-to-source requests and downloads consume a lot of bandwidth. After the update, the bandwidth is basically idle. In this way, the bandwidth becomes a bottleneck when there is an update task, and the bandwidth resources are wasted after the update;
[0007] (3) When the network between the download node and the scheduling node or content node is abnormal, the task may not be received or the file cannot be downloaded

Method used

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  • Method and system for downloading and updating file
  • Method and system for downloading and updating file
  • Method and system for downloading and updating file

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Embodiment Construction

[0082] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0083] The CDN workflow is: when a user visits a website that has joined the CDN service, first determine the best CDN node closest to the user through DNS redirection...

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Abstract

The invention discloses a method and system for downloading and updating a file. The method comprises the following steps: step one, a scheduling node receives file distribution information; step 2, the scheduling node sends an update task to a downloading node included in the file distribution information according to the file distribution information; step 3, the scheduling node receives a queryrequest for querying the downloading node with completely same or partially same updating tasks from the downloading nodes, and selects the downloading node with completely same or partially same updating tasks as this downloading node according to the file distribution information, and notifies the information of the selected downloading node to the downloading node. Through the method system disclosed by the invention, the bandwidth cost can be reduced, and the file distribution speed is accelerated.

Description

technical field [0001] The invention relates to the network field, in particular to a method and system for downloading update files. Background technique [0002] Content Delivery Network (CDN for short) is a layer of intelligent virtual network based on the existing Internet formed by placing download nodes throughout the network. Its purpose is to publish the content of the website to the "edge" of the network closest to the user by adding a new layer of network architecture to the existing Internet, so that users can obtain the required content nearby and improve the response speed of users visiting the website . The CDN network can redirect the user's request to the service node closest to the user in real time according to comprehensive information such as network traffic, connection of each node, load status, distance to the user, and response time. [0003] In a CDN network, when thousands or even tens of thousands of download nodes need configuration upgrades, sof...

Claims

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Application Information

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IPC IPC(8): H04L29/08
CPCH04L67/10H04L67/06H04L67/1078
Inventor 侯国发周世龙苗辉
Owner GUIZHOU BAISHANCLOUD TECH CO LTD
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