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Address distributing method, address distributing equipment and address distributing system

An allocation method and address technology, applied in the information field, can solve the problems of complex implementation process and high cost, and achieve the effect of reducing costs and shortening the recovery time of terminal services.

Active Publication Date: 2012-08-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method is costly and requires process switching when the CGN fails, and the implementation process is complicated

Method used

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  • Address distributing method, address distributing equipment and address distributing system
  • Address distributing method, address distributing equipment and address distributing system
  • Address distributing method, address distributing equipment and address distributing system

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Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] figure 1 A flowchart of an embodiment of the address allocation method provided by the present invention, such as figure 1 As shown, the method is applicable to a network with a broadband remote access server BRAS, and the BRAS is provided with a carrier-level network address translation CGN, and the method includes:

[0049] S101. T...

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Abstract

An embodiment of the invention provides an address distributing method, an address distributing equipment and an address distributing system. The address distributing method is applicable to the network with a BRAS (broadband remote access server) which is provided with a carrier grade network address translation and includes that the BRAS detects CGN faults locally set, receives access request transmitted by terminals and distributes IP (internet protocol) addresses of the public network to the terminals. When in CGN faults, terminal flow transfer is omitted, service restore time of the terminals of the BRAS is shortened and cost is reduced.

Description

technical field [0001] The present invention relates to information technology, in particular to an address allocation method, device and system. Background technique [0002] Carrier Grade Net Address Translation (CGN) refers to the large-scale deployment of IPv4 private addresses of Internet Protocol (Internet Protocol, IP) version 4 to achieve statistical multiplexing of current public network IPv4 addresses. technology. CGN is essentially a NAT technology, which is the process of converting the IP address in the IP datagram header to another IP address, so that multiple private network IP addresses can share a public network IP address. [0003] In the prior art, a backup BRAS needs to be set for a broadband remote access server (Broadband Remote Access Service, BRAS) in the network. The BRAS and the backup BRAS are respectively plugged with the same number of CGN single boards. If the CGN single board on the BRAS fails, Then the traffic on the BRAS can be switched to ...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L69/40
CPCH04L12/2856H04L61/2514H04L61/503H04L61/5053H04L61/5014H04L61/5061H04L69/40
Inventor 宿宝伍余舟毅姜玉萍
Owner HUAWEI TECH CO LTD
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