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Toronto, ON
June 25, 2007 to June 27, 2007
ISBN: 0-7695-2837-3
pp: 26
Dong-Young Lee , University of Texas at Austin
Simon S. Lam , University of Texas at Austin
ABSTRACT
Delaunay triangulation (DT) is a useful geometric structure for networking applications. In this paper we investigate the design of join, leave, and maintenance protocols to construct and maintain a distributed DT dynamically. We define a distributed DT and present a necessary and sufficient condition for a distributed DT to be correct. This condition is used as a guide for protocol design. We present join and leave protocols as well as correctness proofs for serial joins and leaves. In addition, to handle concurrent joins and leaves as well as node failures, we present a maintenance protocol. An accuracy metric is defined for a distributed DT. Experimental results show that our join, leave and maintenance protocols are scalable, and they achieve high accuracy for systems under churn and with node failures. We also present application protocols for greedy routing, clustering, broadcast, and multicast within a radius, and discuss and prove their correctness.
CITATION
Dong-Young Lee, Simon S. Lam, "Protocol Design for Dynamic Delaunay Triangulation", ICDCS, 2007, 27th International Conference on Distributed Computing Systems (ICDCS '07), 27th International Conference on Distributed Computing Systems (ICDCS '07) 2007, pp. 26, doi:10.1109/ICDCS.2007.130
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