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In search of path diversity in ISP networks

Abstract : Internet Service Providers (ISPs) can exploit path diversity to bal-ance load and improve robustness. Unfortunately, it is difficult to evaluate the potential impact of these approaches without routing and topological data, which are confidential. In this paper, we char-acterize path diversity in the real Sprint network. We then charac-terize path diversity in ISP topologies inferred using the Rocket-fuel tool. Comparing the real Sprint topology to the one inferred by Rocketfuel, we find that the Rocketfuel topology has signifi-cantly higher apparent path diversity. We evaluate heuristics that improve the accuracy of the inferred Rocketfuel topologies. Fi-nally, we discuss limitations of active measurements techniques to capture topological properties such as path diversity.
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Submitted on : Wednesday, December 24, 2014 - 11:44:13 AM
Last modification on : Wednesday, August 7, 2019 - 12:18:06 PM
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Renata Teixeira, Keith Marzullo, Stefan Savage, Geoffrey M. Voelker. In search of path diversity in ISP networks. ACM Internet Measurement Conference, Oct 2003, Miami Beach, United States. ⟨10.1145/948242.948247⟩. ⟨hal-01097530⟩



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