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RFC 7196: Making Route Flap Damping Usable

In plain English — editorial summary, not part of the RFC

Route Flap Damping (RFD) was first proposed to reduce BGP churn in routers. Unfortunately, RFD was found to severely penalize sites for being well connected because topological richness amplifies the number of update messages exchanged. Many operators have turned RFD off. Based on experimental measurement, this document recommends adjusting a few RFD algorithmic constants and limits in order to reduce the high risks with RFD. The result is damping a non-trivial amount of long-term churn without penalizing well-behaved prefixes' normal convergence process.

Document record

Document ID
RFC7196
Published
May 2014
Authors
C. Pelsser; R. Bush; K. Patel; P. Mohapatra; O. Maennel
Status
PROPOSED STANDARD
Stream
IETF
Area
rtg
Pages
8
Also known as
—

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The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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