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Center for Applied Internet Data Analysis > publications : bib : networking : entries : Eriksson2012LeightweightApproach.xml
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B. Eriksson, P. Barford, B. Maggs, and R. Nowak, "Posit: a lightweight approach for IP geolocation", ACM SIGMETRICS Performance Evaluation Review, vol. 40, no. 2, pp. 2-11, Sep 2012.
Posit: a lightweight approach for IP geolocation
Authors: B. Eriksson
P. Barford
B. Maggs
R. Nowak
Published: ACM SIGMETRICS Performance Evaluation Review, 2012
Entry Date: 2013-09-04
Abstract: Location-specific Internet services are predicated on the ability to identify the geographic position of IP hosts accurately. Fundamental to current state-of-the-art geolocation techniques is reliance on heavyweight traceroute-like probes that put a significant traffic load on networks. In this paper, we introduce a new lightweight approach to IP geolocation that we call Posit. This methodology requires only a small number of delay measurements conducted to end host targets in conjunction with a computationally-efficient statistical embedding technique. We demonstrate that Posit performs better than all existing geolocation tools across a wide spectrum of measurement infrastructures with varying geographic densities. Specifically, Posit is shown to geolocate hosts with median error improvements of over 55% with respect to all current measurement-based IP geolocation methodologies.
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