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Oscar: Small-world overlay for realistic key distributions
Ecole Polytech Fed Lausann.ORCID iD: 0000-0003-4516-7317
Ecole Polytech Fed Lausann.
Ecole Polytech Fed Lausann.
2006 (English)In: The Fourth International Workshop on Databases, Information Systems and Peer-to-Peer Computing, September 11, 2006, Seoul, Korea, 2006, 247-258 p.Conference paper, Published paper (Refereed)
Abstract [en]

The research on P2P systems which support skewed key distributions has rapidly advanced in the recent years. Yet, the assumptions on the skews we are dealing with remained pretty simple: most of the existing literature assumes simple monotonous key distribution skews. However, this is not always the case. For example, Gnutella filename traces show that complex key-distribut ions rather than monotonous skews occur in practice. We show that one of the seminal P2P systems which support skewed keys - Mercury [7], performs poorly given such complex distributions generated from the trace of Gnutella filenames. We discuss the shortcomings of such state-of-the-art techniques. We present an overlay network Oscar, based on a novel overlay construction mechanism, which does not depend on the key-distribution complexity. We demonstrate through simulations that our technique performs well and significantly surpasses Mercury for such realistic workloads.

Place, publisher, year, edition, pages
2006. 247-258 p.
Series
Lecture notes in computer science, ISSN 0302-9743
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:kth:diva-109832ISI: 000246228700025OAI: oai:DiVA.org:kth-109832DiVA: diva2:584720
Conference
4th International Workshop on Databases, Information Systems, and Peer-to-Peer Computing
Note

QC 20130610

Available from: 2013-01-09 Created: 2013-01-09 Last updated: 2013-06-10Bibliographically approved

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