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Method, equipment and system for realizing network address conversion

A network address translation and address translation technology, applied in the field of realizing network address translation, can solve the problem that the media gateway cannot select the NAT type for the network interface.

Inactive Publication Date: 2012-08-08
惠州市超越咨询服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the media gateway often cannot flexibly select the NAT type for the network interface according to the needs

Method used

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  • Method, equipment and system for realizing network address conversion
  • Method, equipment and system for realizing network address conversion
  • Method, equipment and system for realizing network address conversion

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Embodiment Construction

[0039] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

[0040] In order to flexibly select a NAT type for each network interface according to the requirements of each network interface, Embodiment 1 of the present invention provides a system for implementing network address translation. Such as figure 1 As shown, a system for implementing network address translation according to Embodiment 1 of the present invention includes: a media gateway controller 11 and a media gateway 12 .

[0041] Wherein, the media gateway controller 11 generates a network address translation type set...

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Abstract

The embodiment of the invention provides a method, equipment and a system for realizing network address conversion, relating to the technical field of communication and invented for flexibly selecting a network address conversion type for a network interface. The method comprises the following steps of: receiving a network address conversion type set message sent by a media gateway controller, wherein the network address conversion type set message comprises network address conversion type information preset by the network interface; setting the network address conversion type for the networkinterface according to the network address conversion type set message; and carrying out corresponding network address conversion operation according to the set network address conversion type when amessage of the network address conversion equipment located by the network interface is sent to an external network interface from an internal network interface or sent to the internal network interface from the external network interface. The embodiment of the invention is mainly applied to an NGN network.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method, device and system for realizing Network Address Translation (NAT). Background technique [0002] With the rapid development of computer and communication technology, it has become the development direction of the network to carry voice, data, image and other services through the public packet network. Under the trend of business-driven and network convergence, the next generation network (Next Generation Network, NGN) with softswitch equipment as the core emerges as the times require. [0003] The NGN network structure in the prior art mainly includes a media gateway (Media Gateway, MG) and a media gateway controller (Media Gateway Controller, MGC). Among them, the MGC is used to realize the management of the call state and the control of the bearer resources of the MG; the MG is used to convert the media stream from one format to another. For exa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L29/06
CPCH04L29/12481H04L61/2557H04L29/06272H04L65/1043
Inventor 祝宁
Owner 惠州市超越咨询服务有限公司