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Overview:

Routing dynamics heavily influence Internet data plane performance. Existing studies only narrowly focused on a few destinations and did not consider the predictability of the impact of routing changes on performance metrics such as reachability. This paper proposes an efficient framework to capture coarse-grained but important performance degradation as a result of BGP routing events using light-weight probing. They deployed their framework across six vantage points for 11 weeks and found that the data plane experienced serious performance degradation in the form of reachability loss and forwarding loops following a significant fraction of updates affecting many destination prefixes and networks across all vantage points studied. They identified that more than half of the prefixes have predictable routing behavior.

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Format:PDFSize:298 KB
Date:Jan 2009
Pages:9

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