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IETF RFC 7196

Making Route Flap Damping Usable

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Organization: IETF
Publication Date: 1 May 2014
Status: active
Page Count: 8
scope:

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 History

IETF RFC 7196
May 1, 2014
Making Route Flap Damping Usable
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...

References

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