Packet-based incentive mechanism in P2P (Peer to Peer) network

An incentive mechanism and network technology, applied in the P2P field, to improve system efficiency, reduce communication overhead, and improve efficiency

Inactive Publication Date: 2013-04-17
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the third stage, researchers realize that there is no method to completely solve the free-riding behavior in the network, so they should carry out m

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  • Packet-based incentive mechanism in P2P (Peer to Peer) network
  • Packet-based incentive mechanism in P2P (Peer to Peer) network

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Embodiment Construction

[0015] In order to make the technical problems and technical solutions to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] The incentive mechanism based on grouping in the P2P network proposed by the present invention includes an intra-group interaction protocol and an inter-group interaction protocol: each protocol consists of four sub-processes of inquiry, reputation consultation, download and reputation update.

[0017] The specific implementation details are:

[0018] First, system initialization

[0019] For a system that includes PKI, the group manager is the creator of the group. There are at least two group managers in a group to ensure the reliability of the system. If the number of nodes in a group grows rapidly, some high reputation nodes may create new groups. Group classification criteria can be based on IP ranges, types of shared f...

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Abstract

The invention provides a packet-based incentive mechanism in a P2P (Peer to Peer) network. Network nodes join in different packets according to interests or needs by utilizing the idea of aP2P network community, Each packet creating node play a packet manager role, and each packet manager respectively executes an intra-packet interaction protocol and an inter-packet interaction protocol according to the actual request of the nodes. Each of the intra-packet interaction protocol and the inter-packet interaction protocol comprises four sub-processes of query, credit consulting, downloading and credit updating. In an intra-packet execution stage, if packet members in one packet have resources required by a soliciting node and the credit rating of the soliciting node is higher than the authorized rating of the resources, then the downloading is completed, and the related packet management node completes the credit updating; if the packet members do not have the solicited resources, then the packet manager determines whether the credit rating of the soliciting node meets conditions, if so, the packet manager passes the request information to other packet managers and then the intra-packet interaction protocols of the other packets are executed. The packet-based incentive mechanism provided by the invention shields specific credit assessment methods and can select according to different application scenarios and the latest research results of credit schemes. The personalized customization of the incentive mechanism is realized.

Description

technical field [0001] The invention relates to the field of P2P technology, in particular to a group-based incentive mechanism in a P2P network. Background technique [0002] The structure mode of P2P system is an important change to the traditional asymmetric client / server communication mode. The P2P communication mode that makes full use of computing, storage and communication resources of terminal nodes has become one of the important modes of current Internet applications. Some file sharing systems based on peer-to-peer network technology, such as Gnutella, e-Donkey, BitTorrent, etc., sometimes have tens of millions of online users worldwide. People for me, I for everyone" information sharing and service concept. However, not every node in the peer-to-peer network truly implements the information sharing concept of providing and enjoying services on an equal basis. Under unconstrained conditions, selfish behavior of nodes is more common. The research points out that ...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 秦志光杨磊钟婷蓝天赵洋
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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