Peer-to-peer network resource downloading method

A resource downloading and peer-to-peer network technology, applied in electrical components, transmission systems, etc., can solve problems such as resources cannot be located, affect network applications, and inefficiency, and achieve the effect of improving download efficiency.

Inactive Publication Date: 2012-07-04
PEKING UNIV FOUNDER GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the P2P system developed based on the flooding protocol, sending network broadcast packets due to network flooding will lead to exponential propagation of invalid network packets on the Internet, which seriously affects network applications and is inefficient. Therefore, the network needs to limit the number of forwarding times of flooding, which usually results in As a result, the resource cannot be located, and thus the resource cannot be downloaded

Method used

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  • Peer-to-peer network resource downloading method
  • Peer-to-peer network resource downloading method
  • Peer-to-peer network resource downloading method

Examples

Experimental program
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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0015] figure 1 It shows the flow of the method for downloading peer-to-peer network resources in this embodiment. like figure 1 As shown, the method includes the following steps:

[0016] (1) Register the shared resource information and node attribute information of all nodes in the peer-to-peer network to the index server.

[0017] The belonging shared resource information may be a resource ID. The node attribute information includes node network IP address, node region information, node network operator information, node NAT (Network Address Translation, Network Address Translation) attribute and node network connection mode. The node NAT attribute includes NAT traversal required and NAT traversal not required, and the node network connection mode includes LAN mode, ADSL mode and wireless mode.

[0018] The node network IP address refers ...

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Abstract

The invention relates a peer-to-peer network resource downloading method and belongs to the technical field of network resource downloading. The method provided by the invention comprises the following steps: firstly, the sharing resource information of all nodes in a peer-to-peer network is logged in an index server; a request node sends a resource query request to the index server; the index server queries a node owning the resource according to the resource query request and feeds the information of the node owning the resource back to the request node; and the request node selects a node to download the resource according to the node information fed back by the index server and periodically detects resource downloading speeds of the request node and other nodes in parallel, and the rest of resource is downloaded from the node with the highest resource downloading speed. The method provided by the invention greatly improves downloading efficiency of peer-to-peer network resources.

Description

technical field [0001] The invention belongs to the technical field of network resource downloading, and in particular relates to a peer-to-peer network resource downloading method. Background technique [0002] P2P (Peer-to-Peer, peer-to-peer network), simply put, is a class of systems and applications that use distributed resources in a non-centralized manner to complete key tasks. P2P directly connects people and allows people to interact directly through the Internet. P2P makes communication on the network easier, more direct sharing and interaction, and truly eliminates middlemen. P2P means that people can directly connect to other users' computers and exchange files, instead of connecting to the server to browse and download as in the past. Another important feature of P2P is to change the current state of the Internet centered on large websites, return to "decentralization", and return power to users. [0003] In a P2P system, resources may exist in any node in the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
Inventor 陆振华
Owner PEKING UNIV FOUNDER GRP CO LTD
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