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Status:

PROPOSED STANDARD

Authors:

C. Pelsser
R. Bush
K. Patel
P. Mohapatra
O. Maennel

Stream:

IETF

Source:

idr (rtg)

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DOI:  https://doi.org/10.17487/RFC7196

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Abstract

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

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.