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Network address translation method and system

A technology of network address translation and network protocol address, which is applied in the field of computer networks to achieve the effects of reducing equipment costs, saving consumption, and being beneficial to development and popularization.

Inactive Publication Date: 2014-02-12
SHENZHEN TENCENT COMP SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of this invention is to provide a network address translation method and translation system to solve the problem that internal hosts in different network segments cannot share the same NAT server for external connection question

Method used

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  • Network address translation method and system

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Embodiment Construction

[0034] In order to further explain the technical means and effects adopted by the present invention to achieve the intended purpose of the invention, the specific implementation methods, methods, steps and methods of the network address translation method and translation system proposed according to the present invention will be described below in conjunction with the accompanying drawings and preferred embodiments. Efficacy, detailed as follows.

[0035] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings. Through the description of specific implementation methods, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the present invention...

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Abstract

The invention provides a network address translation method and system. The method comprises the following steps that (1) an IP tunnel is built between an internal host and an NAT server; (2) an IP data packet of the internal host is directly transmitted to the NAT server through the IP tunnel; (3) the NAT server enables the IP address of the IP data packet transmitted from the internal host to be transformed into an available legal IP address on the internet, and the available legal IP address is forwarded to the internet. By means of the network address translation method and system, initiative external connection of the internal host across network segments can be achieved, a large data centre can share one NAT server, equipment cost is reduced, consumption of IP address resources of the internet is also saved effectively, and development and popularization of the internet are facilitated.

Description

technical field [0001] The invention relates to a computer network technology, in particular to a network address translation method and a translation system. Background technique [0002] As the number of computers connected to the Internet (Internet) continues to increase, IP (Internet Protocol, a protocol for interconnection between networks) address resources are increasingly stretched. In order to alleviate the growing tension in IP address space and network security issues, NAT (Network Address Translation, Network Address Translation) technology came into being. [0003] NAT technology is a conversion technology that converts private IP addresses into legal IP addresses that can be used on the Internet. It is an IETF (Internet Engineering Task Force, Internet Engineering Task Force) standard that allows an entire network organization to use one or several A legitimate IP address appears on the Internet. [0004] In practical applications, when a host in the interna...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
Inventor 李文征庄泗华徐恒阳
Owner SHENZHEN TENCENT COMP SYST CO LTD