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Method for optimal placement of unpopular resource indexes in peer-to-peer network

A peer-to-peer network and resource indexing technology, which is applied in the field of network search optimization and resource placement optimization, and can solve the problems that nodes cannot carry cache and affect network scalability.

Inactive Publication Date: 2013-01-09
GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a large-scale network, especially in a dense network, nodes may not be able to carry too much cache, which affects the scalability of the network

Method used

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  • Method for optimal placement of unpopular resource indexes in peer-to-peer network
  • Method for optimal placement of unpopular resource indexes in peer-to-peer network
  • Method for optimal placement of unpopular resource indexes in peer-to-peer network

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Experimental program
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Embodiment Construction

[0046] The peer-to-peer network is composed of a group of terminal devices connected to the network. These terminal devices can be general household desktop computers, portable notebook computers, small servers with better performance, or servers in a small area. Each node in the peer-to-peer network. Each device has the function of data routing, and at the same time records information such as the amount of access to its own resources, its own online time, etc. Each device sends information to the surrounding nodes when the network is running, including the node's online and offline time information, identity information, index placement request information, etc. Each node selects a specific node for index placement based on these information.

[0047] Index placement can improve the search success rate of resources in the peer-to-peer network, and reduce the generation of redundant information during information search. Such as figure 2 As shown, node A first sends out a ...

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Abstract

The invention relates to a method for optimal placement of unpopular resource indexes in a peer-to-peer network. According to the method, mathematical abstraction is performed on node selection of buffer indexes and balanced placement of the indexes in the peer-to-peer network, and a model for resource optimal placement is provided in a mathematical angle, so that the success rate of searching unpopular files in the peer-to-peer network is improved, the expenditure of the buffer indexes is lowered, and the total expenditure of the whole network is lowered to make the network have higher extensibility.

Description

technical field [0001] The invention relates to the field of network communication, in particular to peer-to-peer network search optimization and resource placement optimization. Background technique [0002] Peer-to-peer network is the core concept of the next generation network, which is different from the traditional central server and client mode. In a peer-to-peer network, each node not only obtains the resources it wants from other nodes, but also provides other nodes with its own shared resources. In the realization of the peer-to-peer network, since there is no central server, how to quickly locate various resources and services is a key technology. [0003] Current research on fast search of peer-to-peer networks divides peer-to-peer networks into structured peer-to-peer networks and unstructured peer-to-peer networks. Compared with the structured peer-to-peer network using Distributed Hash Table (Distributed Hash Table), the unstructured peer-to-peer network has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L12/24
Inventor 高随祥杨文国吴鸽鹏邓浩江郭田德安然赵彤孙静姜志鹏王慎娜
Owner GRADUATE SCHOOL OF THE CHINESE ACAD OF SCI GSCAS