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Transmission method and device of P2P (peer to peer) stream media

A streaming media transmission and response device technology, applied in transmission systems, digital transmission systems, data exchange through path configuration, etc., can solve problems such as unequal network nodes, inapplicable incentive modes, and inability to meet the time limit of video data, etc. To achieve the effect of ensuring real-time and data sharing

Inactive Publication Date: 2010-10-27
CHINA TELECOM CORP LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, when the P2P protocol is used in a common centralized topology, due to the tree-type hierarchical structure, the network nodes are not equal, so the general incentive model is not applicable.
For example, in a tree structure, there is a parent-child node relationship, and there will be no "ring" in data transmission, resulting in data always being passed from the parent node to the child node, and the child node cannot contribute more resources
In addition, each data block in the P2P streaming media system has a time limit to ensure normal and continuous video playback. The traditional incentive mechanism cannot meet the time limit of video data.

Method used

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  • Transmission method and device of P2P (peer to peer) stream media
  • Transmission method and device of P2P (peer to peer) stream media
  • Transmission method and device of P2P (peer to peer) stream media

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Embodiment Construction

[0027] The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are illustrated.

[0028] figure 1 It is a schematic diagram of a P2P system 100 according to an embodiment of the present invention. The dotted line shown in the figure indicates the connection path of the message flow, and the solid line indicates the connection path of the data flow. Such as figure 1 As shown, P2P system 100 includes servers, such as directory server 102 , media server 104 , and node network 110 . Node network 110 includes peer nodes, such as node 112 , node 114 , node 116 , and node 118 . Obviously, those of ordinary skill in the art will understand that the node network 110 may include any number of peer nodes. Only nodes 112, 114, 116 and 118 are listed here for simplicity.

[0029] Media server 104 is responsible for providing original video content. When the first node in the node netwo...

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Abstract

The invention discloses a transmission method and a device of P2P stream media, which relate to the incentive mechanism of a P2P stream media system. The method comprises the following steps that: a node sends out a connecting request to a partner node; the partner node determines that a successful response is returned to the node according to the sharing degree of the node, wherein the sharing degree refers to the proportion of uploading resources to downloading the resources in a certain time; and the node receives the successful response and establishes connection with the partner node.

Description

technical field [0001] The invention relates to a peer-to-peer (P2P) streaming media system, in particular to an incentive mechanism of the P2P streaming media system. Background technique [0002] Streaming transmission parses various multimedia files into compressed packages through a specific compression method, and transmits them sequentially or in real time from the server to the user's computer. The popularity of streaming media has also increased the requirements for bandwidth resources. The traditional system based on client / server (client / server, CS) mode, whether it is completely central or center-edge distributed, such as content delivery network (content delivery network, CDN), the load on the media server The demands are great. The capacity of the media server can easily become a system bottleneck. However, P2P streaming media provides services for other nodes by using the resources of ordinary nodes, and has good cost performance without changing the existin...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/46H04L29/08
Inventor 梁洁武娟吕冠中庞涛张志健龙斌
Owner CHINA TELECOM CORP LTD
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