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Resource sharing method for operation business actively participating peer-to-peer network

A peer-to-peer network and operator technology, applied in the field of network communication, can solve problems such as increasing implementation difficulty, limiting network scalability, and increasing policy server overhead, avoiding bottlenecks, eliminating overhead, and reducing traffic.

Active Publication Date: 2010-06-23
INST OF COMPUTING TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] In a distributed structured network, there is no resource server, and the nodes need to store and release information with each other. The release information of each resource is stored in a series of index nodes in a distributed manner. The search process must also be controlled by the query node and these index nodes. Nodes interact, so it is more difficult to implement
In addition, due to the existence of multiple index nodes, if they all interact with the policy server, the overhead of the policy server will be significantly increased, which limits the scalability of the network

Method used

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  • Resource sharing method for operation business actively participating peer-to-peer network
  • Resource sharing method for operation business actively participating peer-to-peer network
  • Resource sharing method for operation business actively participating peer-to-peer network

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Embodiment Construction

[0069] The present invention will be described below in conjunction with the accompanying drawings and specific embodiments.

[0070] For the convenience of description and understanding, the following is divided into four parts, which are: a brief introduction of the distributed P4P network system and its functional entities involved in the present invention; resource release method; resource query method; policy matrix update method.

[0071] 1. Brief introduction of distributed P4P network system and its functional entities

[0072] In one embodiment of the present invention, each node in the P4P network system has a unique node identifier, marked as peer-id; at the same time, each node in the network is divided into In a certain PID domain and a certain AS domain, the node also has its own PID number and AS number; in addition, each resource file in the P4P network system has a unique identifier, which is recorded as file-id, and file-id usually It can be calculated accor...

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Abstract

The invention provides a resource publishing method for a P4P network, which comprises the following steps of firstly, obtaining a Key value issued by a resource file at the time by an issue node according to a subordinate PID domain, a subordinate AS domain and a file-id of the issued resource file; secondly, calculating the Key value and an exclusive OR distance of peer-id of the issue node; and thirdly, finding out equivalence nodes of k nearest exclusive OR distances by the issue node as index nodes, and sending an issue message of the resource file to the index nodes by the issue node. The invention also provides a corresponding resource searching method and a strategy matrix updating method. The invention avoids the problem of single point invalidation, has the advantages of high flexibility and favorable extendibility and also avoids the bottleneck problem caused by repeatedly issuing a hot spot resource to the same position.

Description

technical field [0001] The present invention relates to the field of network communication, in particular, the present invention relates to a resource sharing method in a peer-to-peer network actively participated by operators, including a resource release method, a retrieval method and a policy matrix update method. Background technique [0002] Peer-to-peer (P2P) technology makes full use of edge network resources, and has the advantages of cost sharing, strong scalability and high reliability. At present, P2P applications have become one of the mainstream applications in the Internet today. In terms of real-time streaming media, such as PPLive, PPStream, TVUPlayer, etc.; in terms of file sharing, such as BitTorrent (BT), eMule, Thunder, etc. Compared with the client / server mode, the use of P2P technology for streaming media distribution and file sharing can significantly reduce the dependence on server performance and bandwidth. However, there are still many problems in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/56G06F17/30H04L45/74H04L47/80
Inventor 孙毅吴海博杨国标葛雨明杨平改刘宁王展李军
Owner INST OF COMPUTING TECH CHINESE ACAD OF SCI
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