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Data transmission system and method based on P2P (Peer-to-Peer) network and CDN (Content Delivery Network)

A technology of data transmission system and P2P network, applied in the field of data transmission system, can solve the problems of inaccessible services, unsmooth playback of users, and overwhelmed servers.

Inactive Publication Date: 2011-05-18
LETV INFORMATION TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the field of P2P streaming media, due to the inherent uncertainty of the P2P distributed system, it may cause a large number of nodes in the p2p network to flock to the server at a certain moment, which will cause the server to be overwhelmed, and will seriously cause The server is down so that the entire service is inaccessible
Light ones may also make the user's playback not smooth enough to affect the user experience

Method used

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  • Data transmission system and method based on P2P (Peer-to-Peer) network and CDN (Content Delivery Network)
  • Data transmission system and method based on P2P (Peer-to-Peer) network and CDN (Content Delivery Network)
  • Data transmission system and method based on P2P (Peer-to-Peer) network and CDN (Content Delivery Network)

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Embodiment Construction

[0015] In order to avoid a large number of P2P nodes flocking to the server in a short period of time, the server cannot provide normal services. In the solution proposed by the present invention, a CDN (Conetent Delivery Network) network is introduced, that is, a content distribution network. The purpose is to publish server data to the closest user by adding a new network architecture to the existing server. The "edge" of the network enables users to obtain the desired data nearby, thereby alleviating network congestion, improving response speed, and fundamentally solving the problem of users obtaining data due to factors such as insufficient bandwidth, high access volume, and uneven distribution of servers The problem of excessive delay. In addition, the CDN network also provides a unified file distribution platform, that is, it does not need software such as windows media server and flash media server, but pulls the stream data generated by these software in real time and ...

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Abstract

The invention provides data transmission system and method based on a P2P (Peer-to-Peer) network and a CDN (Content Delivery Network). A P2P node can obtain data from the P2P network and a CDN node; a P2P subsystem is used for monitoring a port appointed with a playing terminal; and when a request reaches the playing terminal, the P2P subsystem starts a function for preferentially obtaining data from the P2P network and immediately pushes the obtained data to the playing terminal. The technical scheme provided by the invention can solve the problem that a server crashes because a great deal of nodes in the P2P network surge to the server within short time so as to cause the serve to be overburdened.

Description

technical field [0001] The invention relates to a data transmission system and method based on a P2P network and a CDN network, and relates to cross fields such as streaming media and computer networks. Background technique [0002] P2P is the abbreviation of English Peer-to-Peer (peer-to-peer), also known as "peer-to-peer". "Peer-to-peer" technology is an emerging network technology, which mainly relies on the computing power and bandwidth of the participants in the network, rather than gathering all dependencies on expensive servers. P2P is also the abbreviation of point-to-point (point-to-point). That is to say, while it is downloading itself, it must also be uploaded to other nodes on the network. The more users participating in the P2P network, the more corresponding uploaders, and the more uploaders, the smaller the chance of P2P terminals to fetch data from the server. Therefore, the existence of P2P not only greatly reduces the pressure on the server, but also achi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 杨永强李茗祝晓光
Owner LETV INFORMATION TECH BEIJING
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