P2P content delivery method based on social attribute of users and system adopting same

A social attribute and content distribution network technology, applied in the field of content distribution, can solve problems such as slowdown of user download speed, increase of central server content management and network management load, network congestion, etc.

Inactive Publication Date: 2012-07-11
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0016] Although figure 1 The network structure shown realizes the integration of P2P and CDN, but due to the randomness of users joining and exiting based on the P2P mode, the number of users accessing edge servers will be extremely unbalanced. Congestion, while some edge servers have a lot of idle bandwidth
Not only that, when users download content, there are also situations where the download speed is low due to uneven distribution of content. For example, when the content that most users are interested in is only distributed on a few edge servers, it will inevitably cause the edge server downloading releva

Method used

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  • P2P content delivery method based on social attribute of users and system adopting same
  • P2P content delivery method based on social attribute of users and system adopting same
  • P2P content delivery method based on social attribute of users and system adopting same

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Embodiment Construction

[0067] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail by citing the following embodiments and referring to the accompanying drawings.

[0068] figure 2 It is a schematic structural diagram of a P2P content distribution network based on user social attributes in the present invention, such as figure 2 As shown, the P2P content distribution network based on user social attributes in the present invention includes a central server, an edge server, and a peer-to-peer network P2P subnet, wherein the edge server is connected to the central server with a dedicated network or a high-speed network, and the edge server is connected to the P2P subnet. Through the Internet connection, multiple user terminals form a P2P subnet in a P2P manner.

[0069] The central server is responsible for the calculation of node demand similarity and node demand forecast, as well as the collectio...

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Abstract

The invention discloses P2P (peer-to-peer) content delivery network based on the social attribute of users. The P2P content delivery network comprises a central server, an edge server and a P2P sub-network, wherein the edge server and the central server are mutually connected through a special network or a high-speed network; the edge server and the P2P sub-network are mutually connected through the Internet; the P2P sub-network consists of a plurality of user terminals; the central server is used for acquiring the interaction between all users in the P2P sub-network and the content delivery network, tracking the users and computing the document demand and the demand degree of the users; and the demand similarity and demand forecast among the users are computed according to the document demand and the demand degree of the users, and demand evolution treatment is carried out according to the change of the social attribute and the unceasingly acquired user demand. The invention also discloses a P2P content delivery method based on the social attribute of the users. By adopting the invention, the content delivery efficiency is improved.

Description

[0001] dpredicton ( c ) = Σ p i ∈ sub ( P ) Σ p j ∈ P ( c ) r j , c × sim ( p i , p j ) t ...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 张玉洁孟祥武黄永生马文明张玮宇李建强
Owner BEIJING UNIV OF POSTS & TELECOMM
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