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Time correlative peer-to-peer network organizing method in demand stream media system

An on-demand system and time-related technology, applied in the transmission system, two-way work system, star/tree network, etc., can solve the problem that the network organization method cannot be well adapted to the peer-to-peer network Questions such as price

Inactive Publication Date: 2006-12-27
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the nodes in the system join or exit more frequently, the system needs to spend a considerable amount of money in order to maintain this "tree" logical network organization structure, especially when some key nodes fail, the "tree" Shaped" logical network organization structure almost needs to be reconstructed, which makes the system disruptive
Therefore, the network organization method of "tree" structure cannot be well adapted to the peer-to-peer network on-demand system

Method used

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  • Time correlative peer-to-peer network organizing method in demand stream media system
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  • Time correlative peer-to-peer network organizing method in demand stream media system

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[0102] PCs 1-10 are referred to as node 1, node 2...node 10, respectively. At a certain moment, the peer-to-peer network organized according to the playing time of node 1...node 9 is as follows: Figure 5 shown. According to the hardware configuration of the system, the upper limit value of the "neighbor" nodes of the nodes in the system is set to 4, the life cycle of each information is 3, and the communication cycle of each information is 30 seconds.

[0103] When node 10 joins, the index server returns to its adjacent nodes 3 and 5. At this time, the number of "neighbor" nodes of node 3 and node 5 is 1 and 2 respectively, so node 10 can establish a "neighbor" relationship with the two nodes. The end position of node 5 cached data is 00:03:20, the current playback time of node 3 is 00:01:53, the difference between the two times is between 0 seconds and 300 seconds, so the two establish a "partner" relationship .

[0104] When the information exchange period is reac...

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Abstract

The disclosed homologue network tissue method in program request system of flow media comprises: for nodes, (1) creating node list; (2) recording all nodes on same channel; (3) deciding whether the current display time in common list near with each other; (4) building neighbor relation with nodes with near display time; (5) deciding the whether the time interval from current to last time of sending information up to exchange period; (6) exchanging information with neighbor nodes; (7) deciding whether the neighbor node has buffered required data; (8) building partner relation with node buffered target data; (9) deciding whether the display ends. This invention ensures system stability and dynamic property, and improves accuracy to obtain information.

Description

technical field [0001] The invention belongs to the field of computer applications and relates to a time-related peer-to-peer network organization method in a streaming media on-demand system. Background technique [0002] The application of streaming media technology has always been the main way to disseminate multimedia information on the Internet. With the increasing popularity of broadband networks, the attention of streaming media on-demand services is also increasing. [0003] The traditional streaming media on-demand mechanism stores a large amount of streaming media data to be on-demand on a group of centrally managed video servers, and the video server is responsible for responding to each client's on-demand request. In this client / server system model, the video server does all the work. When the number of on-demand users continues to increase, the video server will eventually reach its capacity limit. In order to enhance the service capability of the system, a co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/44H04L29/06H04L29/02H04N7/173
Inventor 金海廖小飞周怡程斌
Owner HUAZHONG UNIV OF SCI & TECH
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