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Second Workshop on Real, Large Distributed Systems—Preliminary Abstract

Pp. 25–30 of the Proceedings

Fixing the Embarrassing Slowness of OpenDHT on PlanetLab

Sean Rhea, Byung-Gon Chun, John Kubiatowicz, and Scott Shenker, University of California, Berkeley


We adopt the position that the best solution to the problem of slow nodes is to modify our algorithms to account for them automatically. Using a combination of delay-aware routing and a moderate amount of redundancy, our best technique reduces the median latency of get operations to 51 ms and the 99th percentile to 387 ms, a tremendous improvement over our original algorithm.
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Last changed: 13 Dec. 2005 jel
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