Overview of IP fast reroute solutions

J Papán, P Segeč, M Moravčík… - 2018 16th …, 2018 - ieeexplore.ieee.org
2018 16th International Conference on Emerging eLearning …, 2018ieeexplore.ieee.org
IP Fast Reroute (IPFRR) is resiliency technology to provide fast traffic recovery upon link or
node failure for mission critical services. This technology is able to recover impacted traffic in
50 ms upon any single link or node failure. The key aspect of IP Fast Reroute technology is
fast failure detection and pre-calculation of alternative path in advance, before the link or
node failure occurs. If specific failure within the network occurs, IP Fast Reroute mechanism
uses this pre-calculated alternative path to bypass failure and restores communication. In …
IP Fast Reroute (IPFRR) is resiliency technology to provide fast traffic recovery upon link or node failure for mission critical services. This technology is able to recover impacted traffic in 50 ms upon any single link or node failure. The key aspect of IP Fast Reroute technology is fast failure detection and pre-calculation of alternative path in advance, before the link or node failure occurs. If specific failure within the network occurs, IP Fast Reroute mechanism uses this pre-calculated alternative path to bypass failure and restores communication. In this paper, we bring survey of advanced Fast Reroute solutions for IP-based intra-domain networks. There have been several approaches proposed such as Directed LFA, Topology Independent LFA, BIER-TE FRR and others.
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