DHT systems are structured overlay networks capable of using P2P resources as a scalable platform for very largedata storage applications. However, their efficiency expects a level of uniformity in the association of...
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ISBN:
(纸本)9781424447282
DHT systems are structured overlay networks capable of using P2P resources as a scalable platform for very largedata storage applications. However, their efficiency expects a level of uniformity in the association of data to index keys that is often not present in inverted indexes. Index data tends to follow non-uniform distributions, often power law distributions, creating intense local storage hotspots and network bottlenecks on specific hosts. Current techniques like caching cannot, alone, cope with this issue. We propose a distributeddata structurebased on a decentralized balanced tree to balance storagedata and network load more uniformly across hosts. The results show that thedata structure is capable of balancing resources, in particular when performing multiple keyword searches.
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