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P2P tunnel communication method based on port forwarding

A communication method and P2P connection technology, applied in the field of communication, can solve the problem of high development cost, and achieve the effect of reducing capacity and improving research and development efficiency.

Active Publication Date: 2019-11-19
深圳市中仁信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, how to use tunneling technology to solve the high development cost of application developers in P2P instant messaging and solve the problem that developed applications can be conveniently used in P2P communication networks has become an urgent technical problem in the industry.

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  • P2P tunnel communication method based on port forwarding
  • P2P tunnel communication method based on port forwarding
  • P2P tunnel communication method based on port forwarding

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Embodiment Construction

[0028] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] In order to solve the problem of P2P communication, this method proposes a method of using transport layer port forwarding to transmit TCP / UDP data through P2P to realize the function of TCP / UDP over P2P. By using this method, the upper layer application program does not care about the underlying P2P network The process of communication. The method of the present invention can also be used to deploy TCP / UDP-based services inside the private network, including but not limited to FTP, WEB, ERP, mailbox, and instant chat.

[0030] The structure of the whole method is as follows figure 1 As shown, the function of P2P transmission of TCP / UPD data (TCP / UDP over P2P) is completed in a module called a transponder, and the transponder is divided into two roles: the sender and the receiver in the process of establishing a connection.

[0031] Connectio...

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Abstract

The invention belongs to the technical field of communication, and discloses a P2P tunnel communication method based on port forwarding, which is carried out on the basis of establishing a P2P connection channel between nodes in a P2P social network, and comprises the following steps that: a home terminal node sends tunnel creation information to an opposite terminal node through the P2P connection channel; the P2P connection channel receives the response of the opposite-end node, creates a monitoring service, binds the monitoring service with the P2P connection channel, and stores the monitoring service and the P2P connection channel in a forwarding data table of a repeater of the home-end node; the application program of the home terminal node creates a local connection to the monitoringservice, and P2P tunnel establishment is completed; and the application program performs P2P tunnel communication with the specific service of the opposite-end node through local connection. By utilizing the method and the system, the technical bottleneck of P2P communication technology knowledge on application program development is effectively shielded, and the capability requirement of networkprogramming is reduced.

Description

technical field [0001] The invention belongs to the technical field of communication, and relates to a P2P network communication technology, in particular to a P2P tunnel communication method based on port forwarding. Background technique [0002] When it is necessary to access computer resources inside the private network, a common solution is to use P2P network communication technology. Due to the complexity of P2P communication, many application developers must pay very high development costs, and those applications that have been developed using the TCP / UDP protocol cannot be directly applied to the P2P communication network. [0003] Tunneling is a method of transferring data between networks by using the infrastructure of the Internet. The data (or payload) transmitted through the tunnel may be data frames or packets of different protocols. The tunneling protocol repackages data frames or packets of other protocols and sends them through the tunnel. The new frame he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/08
CPCH04L12/4633H04L67/104
Inventor 曹希同赵东升
Owner 深圳市中仁信息科技有限公司