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IETF RFC 8333
[ACTIVE]

Micro-loop Prevention by Introducing a Local Convergence Delay

Metadata

Publisher
IETF
Doc Type
Standard
Pages
26
Abstract
This document describes a mechanism for link-state routing protocols that prevents local transient forwarding loops in case of link failure. This mechanism proposes a two-step convergence by introducing a delay between the convergence of the node adjacent to the topology change and the network-wide convergence. Because this mechanism delays the IGP convergence, it may only be used for planned maintenance or when Fast Reroute (FRR) protects the traffic during the time between the link failure and the IGP convergence. The mechanism is limited to the link-down event in order to keep the mechanism simple. Simulations using real network topologies have been performed and show that local loops are a significant portion (>50%) of the total forwarding loops.
Publication Date
2018-03-01
Status Note
Proposed Standard
DOI
10.17487/RFC8333
Link
https://doi.org/10.17487/RFC8333
Author(s)
Stephane Litkowski
Bruno Decraene
Clarence Filsfils
Pierre Francois
Latest version of IETF RFC 8333

Document Versions — IETF RFC 8333

  • ▶ IETF RFC 8333 (2018-03-01)
    THIS DOC [ACTIVE] [LATEST VERSION]

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IETF RFC 8333, Micro-loop Prevention by Introducing a Local Convergence Delay. Available at https://doi.org/10.17487/RFC8333
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IETF RFC 8333, Micro-loop Prevention by Introducing a Local Convergence Delay. Available at https://doi.org/10.17487/RFC8333

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IETF RFC 8333, Micro-loop Prevention by Introducing a Local Convergence Delay. Available at https://doi.org/10.17487/RFC8333
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<span class="citation"><cite>IETF RFC 8333</cite>, Micro-loop Prevention by Introducing a Local Convergence Delay. Available at <a href="https://doi.org/10.17487/RFC8333" target="_blank" rel="noopener">https://doi.org/10.17487/RFC8333</a></span>

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IETF RFC 8333, Micro-loop Prevention by Introducing a Local Convergence Delay
doi: 10.17487/RFC8333
url: https://doi.org/10.17487/RFC8333
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<cite id="bib-rfc8333">IETF RFC 8333</cite>, Micro-loop Prevention by Introducing a Local Convergence Delay
<span class="doi">10.17487/RFC8333</span>
</li>

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