| 双向转发检测技术在铁路数据通信网中的应用 |
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| 引用本文： | 于华.双向转发检测技术在铁路数据通信网中的应用[J].铁道通信信号,2021(1):51-53. |
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| 作者姓名： | 于华 |
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| 作者单位： | 中国铁路上海局集团有限公司上海通信段 |
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| 摘 要： | 铁路数据通信网用户侧设备采用双上行静态路由协议方式接入时,由于接入路由器与用户侧设备间可能存在非直连链路,两侧端口无法准确感知链路变化情况,会导致链路切换无法生效.为此,应用双向转发检测(BFD)技术,可解决非直连链路倒换端口无法感知链路变化问题.
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| 关 键 词： | 铁路 数据通信网 双上行静态路由协议 双向转发检测 |
Application of BFD Technology in Railway Data Communication Network |
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| Yu Hua.Application of BFD Technology in Railway Data Communication Network[J].Railway Signalling & Communication,2021(1):51-53. |
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| Authors: | Yu Hua |
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| Abstract: | When the user-side device accesses the railway data communication network by means of a dualup link static routing protocol,the link switching does not take effect because there may be a non-direct link between the access router and the user-side device,and the ports on both sides cannot accurately perceive the link changes.Therefore,two-way forwarding detection(BFD)technology is used to solve the problem that non-direct link inverted ports are not aware of link changes. |
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| Keywords: | Railway Data communication network Dual uplink static routing protocol Twoway forwarding detection(BFD) |
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