作者
Cristel Pelsser, Olaf Maennel, Pradosh Mohapatra, Randy Bush, Keyur Patel
发表日期
2011
研讨会论文
Passive and Active Measurement: 12th International Conference, PAM 2011, Atlanta, GA, USA, March 20-22, 2011. Proceedings 12
页码范围
143-152
出版商
Springer Berlin Heidelberg
简介
The Border Gateway Protocol (BGP), the de facto inter-domain routing protocol of the Internet, is known to be noisy. The protocol has two main mechanisms to ameliorate this, MinRouteAdvertisementInterval (MRAI), and Route Flap Damping (RFD). MRAI deals with very short bursts on the order of a few to 30 seconds. RFD deals with longer bursts, minutes to hours. Unfortunately, RFD was found to severely penalize sites for being well-connected because topological richness amplifies the number of update messages exchanged. So most operators have disabled it. Through measurement, this paper explores the avenue of absolutely minimal change to code, and shows that a few RFD algorithmic constants and limits can be trivially modified, with the result being damping a non-trivial amount of long term churn without penalizing well-behaved prefixes’ normal convergence process.
引用总数
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