Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network

Xianfeng Wang; Tao Liu

doi:10.3969／j.issn.1000-0801.2013.09.026

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Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network

Operational Innovation Forum | 更新时间：2024-06-05

- Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network
- Telecommunications Science Vol. 29, Issue 9, Pages: 132-136(2013)
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- DOI：10.3969／j.issn.1000-0801.2013.09.026
  CLC：
- Published Online：2013-09，
  
  Published：20 September 2013
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Xianfeng Wang, Tao Liu. Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network[J]. Telecommunications science, 2013, 29(9): 132-136.
DOI：

Xianfeng Wang, Tao Liu. Application of Redundancy and Standby Technology for BRAS in the Metropolitan Area Network[J]. Telecommunications science, 2013, 29(9): 132-136. DOI： 10.3969／j.issn.1000-0801.2013.09.026.

摘要

在分析徐州城域网现状的基础上，提出了解决BRAS单点故障的冗余热备份技术，对该技术的应用方案进行了详细的设计。该方案通过主备BRAS设备间信息同步及基于隧道的重定向流量引导等技术，实现了主备BRAS之间的无缝切换，即使在BRAS 及其相连链路出现故障的情况下，也不会影响用户宽带业务的正常使用。

Abstract

Based on analyzing the present situation of the Xuzhou metropolitan area network

the redundancy and standby technology to solve the single points of failure for BRAS was presented and a detailed scheme was designed. The information synchronization between main and standby BRAS and redirect for the flow guide based on tunnel technology were used to realize seamless switching between main and standby BRAS. Even the BRAS and its link failed

the broadband was in normal use.

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references

韦乐平．电信网发展的战略趋势与挑战．电信科学， 2011 ( 1 )

马昊，余劢．谈移动运营商IP 城域网与宽带接入网的协调发展．中国高新技术企业， 2010 ( 4 )

Cui A , Hertoghs Y . Multi-service Broadband Network Functional Modules and Architecture . Broadband Forum TR-145 , 2011

钱春巍，陈建业． IP 城域网业务开展及技术．现代电信科技， 2006 ( 7 )

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Enterprise Customer Support Center，Nanjing Branch of China Telecom Co.，Ltd.

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