Circular node organizing method in reciprocal network request broadcast system

A peer-to-peer network, on-demand system technology, applied in the intersection of distributed processing technology and streaming media technology, can solve the performance bottleneck of the index server system, difficult to quickly find adjacent nodes and other problems

Inactive Publication Date: 2007-01-24
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, since the logical relationship between nodes is random, it is difficult to quickly find new adjacent nodes when a neighboring node leaves or is dragged to a new position
A feasible method is to use a

Method used

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  • Circular node organizing method in reciprocal network request broadcast system
  • Circular node organizing method in reciprocal network request broadcast system
  • Circular node organizing method in reciprocal network request broadcast system

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example

[0165] According to the above implementation steps, Figure 10 An example is given to illustrate the specific effect of the method of the present invention, and the configuration of each system parameter in the example is shown in Table 1.

[0166] parameter symbol

[0167] exist Figure 10In -a, A, B, C, and D are four client nodes that have joined the system, and their current playback positions are 00:02:23, 00:03:40, 00:09:26, and 00: 16:07, the radius formula of the ring r i =α2 i , where the value of a is 5 minutes. At this time, nodes A and B are located in the inner ring of the index server (ring number i=0), and nodes C and D are located in the first and second rings respectively. When a new client node P joins the system, it sends a join request to the index server, and the index server returns all of A, B, C, and D as the initial member node list to P, and the client node P (the current playback position when it just joined Same as the index service, i...

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Abstract

This invention discloses a method for organizing ring nodes in the broadcast-selection system of peer-to-peer network flow media including: 1, a newly added node P gets an initial member node list from an index server, 2, P utilizes the initial member node to set up its adjacent nodes and distributes them to the corresponding [l d l/alpha] layer of ring based on the distance from the adjacent node to itself so as to constitute an initial logic ring and form far and near hop neighbor nodes, 3, node P transmits position information to a neighbor node on the ring to inform its existence and receives the forward information from the neighbor node to discover new member nodes to ensure there are k nerghbors in the inner ring and 1 neighbor in the outer ring to maintain a stable ring structure and users can quickly find out the neighbor nodes near the target position when dragging, 4, node P stops the current channel and informs all neighbor nodes on the ring about its leaving.

Description

technical field [0001] The invention belongs to the cross field of distributed processing technology and streaming media technology, and specifically relates to a method for organizing ring nodes in a peer-to-peer network on-demand system, which is suitable for providing high-quality, low-cost, and large-scale streaming media within the scope of a wide area network On-demand service. 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, video-on-demand services, one of the killer applications of the Internet, have attracted widespread attention from academia and business circles. The traditional streaming media on-demand system stores a large amount of media data on a group of centrally managed video servers, and the video server is responsible for responding to all clients' on-demand requests. In this client / server ...

Claims

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Application Information

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IPC IPC(8): H04L12/427H04L12/42H04L12/44H04L12/56H04N7/173H04N21/61
Inventor 金海程斌廖小飞赵斗斗王福臣周怡王浩殷江培
Owner HUAZHONG UNIV OF SCI & TECH
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