LOPP: A Location Privacy Protected Anonymous Routing Protocol for Disruption Tolerant Network

Publication Date

2010

Journal or Book Title

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS

Abstract

In this paper, we propose an anonymous routing protocol, LOPP, to protect the originator's location privacy in Delay/Disruption Tolerant Network (DTN). The goals of our study are to minimize the originator's probability of being localized (Pl) and maximize the destination's probability of receiving the message (Pr). The idea of LOPP is to divide a sensitive message into k segments and send each of them to n different neighbors. Although message fragmentation could reduce the destination's probability to receive a complete message, LOPP can decrease the originator's Pl. We validate LOPP on a real-world human mobility dataset. The simulation results show that LOPP can decrease the originator's Pl by over 54% with only 5.7% decrease in destination's Pr. We address the physical localization issue of DTN, which was not studied in the literature.

DOI

https://ui.adsabs.harvard.edu/link_gateway/2010IEITI..93..503L/doi:10.1587/transinf.E93.D.503

Pages

503-509

Volume

E93D

Issue

3

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