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P2P (peer-to-peer) node selection method introducing node bandwidth condition constrain

A technology of bandwidth condition and node selection, applied in the field of streaming media, can solve the problems of P2P efficiency impact, no consideration of node connectivity, transmission rate, etc.

Inactive Publication Date: 2013-04-10
LETV INFORMATION TECH BEIJING
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  • Abstract
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Problems solved by technology

This node selection method does not consider the connectivity, transmission rate and other characteristics between nodes, resulting in the impact of P2P efficiency

Method used

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  • P2P (peer-to-peer) node selection method introducing node bandwidth condition constrain
  • P2P (peer-to-peer) node selection method introducing node bandwidth condition constrain
  • P2P (peer-to-peer) node selection method introducing node bandwidth condition constrain

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments. The correspondence between constituent elements in the claims and specific examples in the embodiments can be exemplified as follows. The description herein is intended to confirm that specific examples used to support the subject matter stated in the claims are described in the embodiments, and since an example is described in the embodiments, it does not mean that the specific examples do not represent constituent elements. Conversely, even if a specific example is included here as an element characteristic corresponding to one constituent element, it does not mean that the specific example does not represent any other constituent element.

[0020] Furthermore, the description herein does not imply that all subject matter corresponding to specific examples set forth in the embodiments are recited in the claims. In other words, the d...

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Abstract

The invention provides a P2P (peer-to-peer) node selection method introducing node bandwidth condition constrain. A P2P comprises a source server, a center tracking server and an NP (Network Processor); the method comprises the following steps: step 1,resource information is stored in the source server, and all common node information that constitutes the P2P is collected by the center tracking server; step 2, newly-added common nodes request resource information from the source server and report self information to the center tracking server at the same time; step 3, the center tracking server searches on-line common nodes with favorable conditions in a resource information list according to the information of the newly-added common nodes and informs the newly-added common nodes of the information of the found on-line common nodes; and step 4, the newly-added common nodes send data requests to the on-line common nodes and acquires data of the on-line common nodes. The P2P node selection method has the benefits that set classification can be performed according to the homologous properties of P2P nodes, and the communication efficiency of the P2P nodes can be improved effectively.

Description

technical field [0001] The invention belongs to the technical field of streaming media, and more specifically relates to a P2P node selection method introducing node bandwidth conditional constraints. Background technique [0002] The traditional P2P system consists of two major systems, the server and the client. The server includes a node selection server and a resource server. The client whose data source is the same as the P2P client is downloading is called a node with the same source attribute, and the node server records the information of the node with the same source attribute. When a new node needs to join the P2P system, it first searches for nodes with the same source attribute from the node server, and then selects several nodes with the same source attribute to form a new P2P system. This node selection method does not consider the connectivity, transmission rate and other characteristics between nodes, resulting in the impact of P2P efficiency. Contents of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/729H04L29/08H04L45/125
Inventor 赵瑞前李茗邵长松张海马宙李卓王世有
Owner LETV INFORMATION TECH BEIJING
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