Review of Fast ReRoute solutions

J. Papán, P. Segec, Juraj Dobrota, Lukáš Koncz, Oleksandra Yeremenko, Oleksandr V Lemeshko, M. Yevdokymenko
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引用次数: 1

Abstract

The Fast ReRoute (FRR) is an area that addresses issues of network recovery in the event of crucial devices or line failures in the network. During the event of a failure in the ISP network, the process of network convergence starts. This process may last unpredictable time and traffic affected by the failure may be inevitably lost. FRR mechanisms work mostly on the principle of a precalculated backup route. After a failure at one of the protected nodes in the network, the FRR mechanism will use a specific backup route to redirect traffic away from the location affected by the failure. By using FRR mechanisms in the Internet Service Provider (ISP) network, we can minimize the time required for network recovery to the order of tens of milliseconds and thus ensure immediate recovery of communication after a network outage.
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回顾快速路由解决方案
快速路由(FRR)是一个解决网络中关键设备或线路故障时网络恢复问题的领域。当ISP网络出现故障时,网络开始收敛。这个过程可能持续不可预测的时间和流量,受故障影响可能不可避免地损失。FRR机制的工作原理主要是预先计算备份路由。当网络中某个受保护节点发生故障时,FRR机制将使用特定的备份路由将流量从受故障影响的位置重定向。通过在互联网服务提供商(ISP)网络中使用FRR机制,我们可以将网络恢复所需的时间减少到数十毫秒,从而确保在网络中断后立即恢复通信。
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