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Resource search method in large-scale non-structural P2P network

A P2P network, unstructured technology, applied in the field of high-performance resource search, can solve the problems of P2P network wide application difficulties, achieve the effect of low maintenance cost, increase effective propagation distance, and low search delay

Inactive Publication Date: 2010-09-08
NAT UNIV OF DEFENSE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are conflicts between these performance characteristics, which brings difficulties to the wide application of P2P networks.

Method used

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  • Resource search method in large-scale non-structural P2P network
  • Resource search method in large-scale non-structural P2P network
  • Resource search method in large-scale non-structural P2P network

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Embodiment Construction

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Abstract

The invention relates to a resource searching method in large scale unstructured P2P network. The method is: during course of issuance and maintenance of resource information, the nodes receives BF information, and converts according to requirement of different adjacent nodes after discarding definite ratio, and saves it in adjacent BF table; during course of searching for resource, the middle node calculates the similitude degree of object resource and adjacent resource BF table, and based on the distribution situation of BF information, parallel searching between several messages can be proceed.

Description

technical field The invention relates to a resource search method in a computer network, in particular to a high-performance resource search method supporting a large-scale network. Background technique P2P (peer-to-peer) network is a network that has emerged in recent years. In the P2P network, each node is logically equivalent, there is no distinction between client and server, and each node can communicate and interact directly. At present, P2P networks are widely used in important fields such as scientific research, e-commerce, e-government and military applications. In order to realize the effective sharing and comprehensive utilization of resources, P2P network users need to search for resources that meet the requirements, and resource search is one of the key technologies of P2P networks. According to resource organization modes, P2P networks can generally be divided into two types: structured (Structured) P2P networks and unstructured (Unstructured) P2P networks. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06G06F17/30
Inventor 张一鸣卢锡城李东升刘锋
Owner NAT UNIV OF DEFENSE TECH
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