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

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 ...

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 relevant files from certain edge servers, which reduces the download efficiency between edge servers, and downloading content from other edge servers and then distributing them to users connected to itself will obviously lead to a decrease in user download speed

In addition, in the existing P2P and CDN converged network, because the network management function is basically concentrated on the central server, although the overall management of the edge server can be optimized, this will undoubtedly increase the content management and network management load of the central server. Causes inefficiency in content downloads

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