Synchronizable transactional database method and system

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United States of America Patent

PATENT NO 7363325
APP PUB NO 20020029214A1
SERIAL NO

09927589

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Abstract

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A database system that can synchronize all or a part of its contents over a limited bandwidth link is described. The lowest layer of the system, the bedrock layer, implements a transactional block store. On top of this is a B+-tree that can efficiently compute a digest (hash) of the records within any range of key values in O(log n) time. The top level is a communication protocol that directs the synchronization process such that minimization of bits communicated, rounds of communication, and local computation are simultaneously addressed.

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Patent Owner(s)

  • NEC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khrabrov, Alexy Cranbury, NJ 3 151
Sobti, Sumeet Princeton, NJ 5 82
Yianilos, Peter N Princeton, NJ 14 464

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