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Method and device for downloading data in P2P (Peer-to-Peer) network

A P2P network and data downloading technology, applied in the field of computer networks, can solve the problems of low P2P downloading efficiency and achieve the effect of improving P2P downloading efficiency

Inactive Publication Date: 2015-06-03
LETV INFORMATION TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a data download method and device in a P2P network to solve the problem of low P2P download efficiency

Method used

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  • Method and device for downloading data in P2P (Peer-to-Peer) network
  • Method and device for downloading data in P2P (Peer-to-Peer) network
  • Method and device for downloading data in P2P (Peer-to-Peer) network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] figure 2 Shown is the flow chart of the data downloading method in the P2P network provided by Embodiment 1 of the present invention, specifically including:

[0036] Step 201. At the beginning of data downloading, P2P downloading is turned off, and only http downloading is turned on.

[0037] That is, at the beginning of data download, non-emergency interval data will not be downloaded temporarily, and emergency interval data will be downloaded first.

[0038] Step 202, judging whether there is undownloaded data in the emergency section data.

[0039] When it is determined that there is no undownloaded data in the urgent interval data, enter step 203; when it is determined that there is undownloaded data in the urgent interval data, execute step 202 cyclically to perform cyclic judgment.

[0040] Step 203, start P2P downloading.

[0041] That is, at this time, the non-emergency section data is downloaded simultaneously with the download of the emergency section dat...

Embodiment 2

[0049] image 3 Shown is the flowchart of the data downloading method in the P2P network provided by Embodiment 2 of the present invention, specifically including:

[0050] Step 301. At the beginning of data downloading, P2P downloading is turned off, and only http downloading is turned on.

[0051] That is, at the beginning of data download, non-emergency interval data will not be downloaded temporarily, and emergency interval data will be downloaded first.

[0052] Step 302, judging whether there is undownloaded data in the emergency section data.

[0053] When it is determined that there is no undownloaded data in the urgent interval data, go to step 303; when it is determined that there is undownloaded data in the urgent interval data, execute step 302 in a loop to perform loop judgment.

[0054] Step 303, enable P2P download, and disable http download.

[0055] That is, at this time, the non-emergency section data is downloaded, and the download of the emergency section ...

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Abstract

The invention discloses a method and a device for downloading data in a P2P (Peer-to-Peer) network, which are capable of increasing the P2P downloading efficiency. The method for downloading the data in the P2P network comprises the steps of judging whether the data volume of data, which are not downloaded, in emergency region data reaches a preset threshold value or not when P2P downloading is started for downloading non-emergency region data; switching off the P2P downloading to stop downloading of the non-emergency region data when the data volume of the data, which are not downloaded, in the emergency region data is determined to reach the preset threshold value.

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a data downloading method and device in a P2P network. Background technique [0002] In a P2P (peer-to-peer, point-to-point) network, each node is an equal peer node, and any node can act as a client or server to other nodes connected to the node, that is, the neighbor nodes of the node. Multiple forms of data, such as video data, audio data, etc., can be shared between nodes. [0003] Therefore, in a P2P network, data downloading methods may include P2P downloading and http downloading. P2P downloading refers to obtaining data from neighbor nodes, and http downloading refers to directly obtaining data from a server through the http protocol. Generally, the data to be downloaded in the P2P network is generally divided into urgent interval data and non-emergency interval data. For example, when playing a video, the data in a certain interval after the current playing data positi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 李卓李茗
Owner LETV INFORMATION TECH BEIJING
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