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Principles of Query-Adaptive Optimal Replication in DHTs

This paper focuses on replication in DHT based structured overlay networks, and presents a theoretical framework for optimal replication in such networks with respect to query frequency. In particular, we determine the optimal replication factor for query-adaptive load balancing, and a topology specific placement strategy for an important class of DHT networks. We also provide a taxonomy of replication strategies in existing systems, discussing them with respect to this optimal scheme, and sketch further issues relevant for implementing this scheme in DHT networks. a.. keywords: Query-adaptivity, Optimal replication, Load-balancing, Distributed Hash Tables

    Keywords: NCCR-MICS/CL4 ; NCCR-MICS

    Reference

    • LSIR-REPORT-2004-012

    Record created on 2005-07-13, modified on 2016-08-08

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