Control method and device for network address translation service

A network address translation and service control technology, which is applied in the field of network address translation service control methods and devices, can solve the problems of troublesome modification, poor flexibility, complicated ACL configuration process, etc., and achieve the effect of reducing complexity and improving flexibility

Inactive Publication Date: 2008-03-26
NEW H3C TECH CO LTD
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  • Abstract
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Problems solved by technology

In the case of many users and dynamic IP address allocation, the above-mentioned ACL configuration process will be more complicated, and it will be more troublesome to modify, less flexible, and not easy to manage
[0007] 2. Cannot provide personalized NAT service for users
[0008] Static configuration of ACL makes NAT service control only based on IP packet characteristics, not based on users
When different users use the same h

Method used

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  • Control method and device for network address translation service

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Embodiment Construction

[0032] The basic idea of ​​the present invention is to realize dynamic NAT service control mode in combination with AAA (Authentication, Authorization, Accounting) server, improve the flexibility of NAT service control, and solve the defects of the existing static configuration mode.

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0034] In order to realize the present invention, it is first necessary to establish the NAT service description information for the user on the AAA server, and the NAT service description information can be established when the AAA server creates an access user account. Wherein, the NAT service description information is mainly used to describe the NAT service that the user can enjoy and the service type that can be provided externally. Several possible NAT service descr...

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Abstract

The invention provides an operation control method for Network Address Transformation (NAT), which includes the following steps: the description information of NAT service corresponding to the user is firstly established in an Authentication, Authorization, Accounting (AAA) server, when the user gets online and passes the authentication and authorization, the description information of NAT service can be obtained from the AAA server, and the NAT gateway can control the NAT operation of the user according to the description information. The invention also provides a control device for NAT operation. By using the technical proposal of the invention, the flexibility of the NAT operation control can be enhanced and the individualized NAT service for the users can be realized.

Description

technical field [0001] The present invention relates to network communication technology, in particular to a network address translation (NAT, Network Address Translation) service control method and device. Background technique [0002] Network address translation is a technology that converts a private network Internet Protocol (IP, Internet Protocol) address into a public network IP address. It is mainly used to realize the function of private network accessing the public network. It can enable multiple private network computers to share the Internet connection. , a good solution to the shortage of public IP address resources. [0003] In NAT applications, private network hosts can not only access public network resources, but also provide external services, that is, provide opportunities for public networks to access private networks. At present, whether it is the business of private network accessing the public network or the business of private network providing extern...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L29/12
Inventor 陈伟锋
Owner NEW H3C TECH CO LTD
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