Method and device for realizing network connection based on proxy node for bidirectional NAT

A network connection and proxy node technology, which is applied in the field of network connection based on proxy nodes as two-way NAT, and can solve problems such as the inability to realize many-to-many networking solutions

Active Publication Date: 2022-03-18
北京天维信通科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when using NAT technology for networking, only a single public network IP address can be effectively mapped to multiple private network addresses
That is, NAT technology can only realize one-to-many URL mapping, and cannot realize many-to-many networking solutions

Method used

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  • Method and device for realizing network connection based on proxy node for bidirectional NAT
  • Method and device for realizing network connection based on proxy node for bidirectional NAT
  • Method and device for realizing network connection based on proxy node for bidirectional NAT

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Embodiment Construction

[0053]Various exemplary embodiments, features, and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. The same reference numbers in the figures indicate functionally identical or similar elements. While various aspects of the embodiments are shown in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

[0054] The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration." Any embodiment described herein as "exemplary" is not necessarily to be construed as superior or better than other embodiments.

[0055] In addition, in order to better illustrate the present disclosure, numerous specific details are given in the following specific implementation manners. It will be understood by those skilled in the art that the present disclosure may be practiced without some of the specific details. In some instances, methods, means, component...

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PUM

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Abstract

This application relates to a method for realizing network connection based on proxy node as bidirectional NAT, including: receiving the access request sent by the client, obtaining the initial source address and proxy destination address in the access request; performing DNAT conversion and SNAT conversion on the access request, Convert the proxy destination address and the original source address to the actual destination address and the proxy source address respectively; based on the actual destination address and the proxy source address, send the access request to the server; where the proxy source address is the data interaction between the proxy server and the server port address. It introduces a proxy server compatible with DNAT and SNAT as a bridge between two independent subnets, so that any node (ie, client) in the two independent subnets can access any node in the other subnet. node (that is, the server), which also realizes the multipoint-to-multipoint networking scheme of two intranets.

Description

technical field [0001] The present disclosure relates to the technical field of the Internet, and in particular to a method and a device for implementing network connection based on a proxy node as bidirectional NAT. Background technique [0002] Since IPv6 (Internet Protocol Version 6, Internet Protocol Version 6) is highly incompatible with the current mainstream IPv4, the penetration rate of this network protocol is only about 30% since its birth. As the current mainstream network protocol, IPv4 has basically exhausted its network addresses. For most IPv4 networking solutions, NAT (Network Address Translation, Network Address Translation) technology combined with private network address segments will be used to alleviate the problem of insufficient IP address allocation. However, when using NAT technology for networking, only a single public IP address can be effectively mapped to multiple private IP addresses. That is, the NAT technology can only implement one-to-many ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L61/2521H04L61/256H04L61/59
CPCH04L61/2528H04L61/256H04L61/59
Inventor 张新姜作毅陈睿彧
Owner 北京天维信通科技股份有限公司
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