CCIE Practical Studies
Route flap damping exacerbates internet routing convergence
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Proceedings of the 3rd ACM SIGCOMM conference on Internet measurement
Timer Interaction in Route Flap Damping
ICDCS '05 Proceedings of the 25th IEEE International Conference on Distributed Computing Systems
Quantifying Skype user satisfaction
Proceedings of the 2006 conference on Applications, technologies, architectures, and protocols for computer communications
Can you hear me now?!: it must be BGP
ACM SIGCOMM Computer Communication Review
Quantifying path exploration in the internet
IEEE/ACM Transactions on Networking (TON)
Understanding slow BGP routing table transfers
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Filter-based RFD: can we stabilize network without sacrificing reachability too much?
NETWORKING'07 Proceedings of the 6th international IFIP-TC6 conference on Ad Hoc and sensor networks, wireless networks, next generation internet
BGP churn evolution: a perspective from the core
INFOCOM'10 Proceedings of the 29th conference on Information communications
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It is well known that a relatively small percentage of unstable routes exists in the global routing system which contributes an out of proportion number of routing updates. The route flap damping (RFD) was once considered an effective means to curtail such instability. However, both measurement studies and operational observations show that BGP path exploration can trigger false route damping which leads to prolonged periods of lost network reachability. As a result, many networks turned off RFD. In this paper we propose a simple solution, RFD+RG, dubbed RFD with Reachability Guard, to address the reachability problem in the RFD deployment. RFD+RG performs route flap damping without losing reachability, and the +RG enhancement component works independently from specific damping algorithms and can be integrated into any existing RFD scheme. We use collected BGP data to evaluate RFD+RG performance and our results show that RFD+RG can suppress up to 27% of route instabilities while faithfully preserving reachability.