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Data transmission method for point-to-point network

A data transmission method and point-to-point network technology, applied in the field of network communication, can solve the problems of affecting the reception of other nodes, low robustness, and occupation of bandwidth, etc., so as to enhance robustness, improve data transmission rate, and simplify design. Effect

Inactive Publication Date: 2013-03-06
JIANGSU UNIV OF SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing P2P network data transmission technology occupies a lot of bandwidth and has a long delay, and when a certain seed node exits the system, it will affect the reception of other nodes, and the robustness is not high

Method used

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  • Data transmission method for point-to-point network
  • Data transmission method for point-to-point network
  • Data transmission method for point-to-point network

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Experimental program
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Embodiment Construction

[0021] Such as figure 1 shown. A diagram of the relationship among nodes in the method of the present invention. 1, 2, and 3 are seed nodes, which send encoded data blocks to receiving node 4. The ellipsis between 2 and 3 indicates that there are multiple seed nodes sending data, which is omitted in the figure, that is, the receiving node can receive data from multiple seed nodes. Nodes receive blocks of data. Arrows 1 and 3 pointing to other directions indicate that the seed node can transmit data to multiple receiving nodes at the same time.

[0022] Such as figure 2 Shown is the structure diagram of the data block transmitted by the present invention. The data segment to be sent is divided into k original data blocks, and the transmitted data blocks are network encoded data blocks. It consists of three fields. The data segment identifier indicates which data segment the encoded data block belongs to. The encoding coefficient indicates which encoding coefficients and t...

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Abstract

The invention discloses a data transmission method for a point-to-point network, which belongs to the technical field of network communication. The method is based on random network coding technology and comprises a data transmission method and a data receiving method, wherein the data transmission method processes data by a random network coding method before transmitting the data; and the data receiving method decodes correspondingly while receiving. A seed node in the network forwards and processes the data, so that data transmission rate is increased and the robustness of a system is enhanced. Moreover, the transmission of other nodes is not affected when a certain node exits the network, so that transmission stability is enhanced.

Description

technical field [0001] The invention relates to a data transmission method in the technical field of network communication, in particular to a data transmission method used in a point-to-point network. Background technique [0002] In recent years, peer-to-peer network (Peer-to-Peer, P2P) has become one of the hot topics in the network field. P2P network has potential advantages in improving resource utilization and expanding service capabilities. The P2P network can utilize the resources of many ordinary nodes that have been neglected in the past, and it is a service system with good cost performance. [0003] The data stream to be sent in the traditional P2P network is divided into multiple data segments, and the receiving node can receive different data segments from different seed nodes to form a complete data stream, and the receiving node also serves as the seed node of other nodes. Each intermediate node simply forwards the data segment without any processing on the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L1/00
Inventor 刘镇张向勇林恋钱萍刘山川
Owner JIANGSU UNIV OF SCI & TECH