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Sachin Agarwal's Publications

Estimating the number of differences between remote sets
Zitatschlüssel	AT-ENDBRS-06
Autor	Agarwal, Sachin and Trachtenberg, Ari
Buchtitel	IEEE Information Theory Workshop (ITW)
Seiten	217–221
Jahr	2006
ISBN	1-4244-0035-X
DOI	http://dx.doi.org/10.1109/ITW.2006.1633815
Ort	Punta del Este, Uruguay
Monat	March
Zusammenfassung	We consider the problem of approximating the number of differences between sets held on remote hosts using minimum communication. Efficient solutions to this problem are important for streamlining a variety of communication sensitive network applications, including data synchronization in mobile networks, gossip protocols and content delivery networks. Using tools from the field of interactive communication, we show that this problem requires about as much communication as the problem of exactly determining such differences. As a result, we propose a heuristic solution based on the counting Bloom filter. We provide analytic bounds on the expected performance of our protocol and also experimental evidence that they can outperform existing difference approximation techniques.