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Method for downloading file in parallel

一种文件下载、文件的技术，应用在电气元件、特殊数据处理应用、程序控制装置等方向，能够解决节点活动率不同、难以统一保持访问等问题，达到提高可用性、提高访问概率的效果

Inactive Publication Date: 2010-08-11
SINGAPORE XIDI HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The lowest-frequency-first method has the advantage of ensuring that the number of downloaded blocks is maintained uniformly, however, the activity rates of nodes with blocks differ from each other, so it is difficult to uniformly maintain the probability of accessing nodes with blocks that make up a file

Method used

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  • Method for downloading file in parallel
  • Method for downloading file in parallel
  • Method for downloading file in parallel

Examples

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Embodiment Construction

[0055] While the invention can be made in various changes and has various embodiments, reference will be made in detail to the preferred embodiments of the invention, which are shown in the accompanying drawings. It should be understood, however, that the embodiments are not limited to any details described above, but that the embodiments should be construed broadly within its spirit and scope, and so long as modifications and variations of the present invention fall within the scope of the appended claims and their equivalents , then the invention covers modifications and variations made thereto.

[0056] In order to explain the present invention with reference to the drawings, components performing the same functions will be denoted by the same reference numerals. A detailed description of well-known technologies that are considered to obscure the concept of the present invention and configurations of the known technologies will be omitted.

[0057] Although terms including...

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PUM

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Abstract

Disclosed is the parallel download for a file, which calculates availability values of each block by using node operation rates of each node having blocks constituting a file, and preferentially downloads a block having a minimum availability value among the calculated availabilities, thereby increasing probability to access the file and each block constituting the file, thus to perform file downloading more accurately and rapidly.

Description

technical field [0001] The present invention relates to a kind of parallel downloading of files, especially if a specified file is divided into multiple blocks, and the divided blocks are stored separately in multiple clients (nodes or computers) or servers, then from all The multiple clients or servers perform parallel downloads of the chunks. Background technique [0002] Currently, file transfer has been performed in various methods through the Internet and various communication networks including mobile communication networks and the like. [0003] Parallel download of files (parallel download) is a method in which, if a file to be downloaded to a client exists in a server or other client serving as a node connected through a communication network, the file is divided into blocks and simultaneously Request downloading of chunks from the plurality of servers or clients to reduce file download time. [0004] With the shortening of file download time together with the dev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44
CPCH04L69/14H04L67/104H04L67/06G06F16/24545
Inventor 孙世一
Owner SINGAPORE XIDI HLDG LTD
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