Multi-shard transactions in a Byzantine computing environment

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United States of America Patent

PATENT NO 11968311
APP PUB NO 20230019637A1
SERIAL NO

17516074

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Abstract

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In a Byzantine computing environment in which a database is sharded or partitioned among multiple clusters of computing nodes, consensus for and execution of data transactions (e.g., transactions that require and/or affect data of one or more shards) are achieved in a resilient manner. Within some clusters, multiple primary replicas concurrently propose transactions for processing in parallel by all replicas. For some multi-shard transactions, shards involved in the transactions may be logically ring-ordered; each shard in turn achieves consensus among its nodes to commit the transactions, and then executes its portion of the operation after consensus is obtained among all shards. For some other multi-shard transactions, involved shards first determine whether local data constraints are satisfied, after which data modifications are made in parallel.

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Patent Owner(s)

  • THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gupta, Suyash Fremont, US 1 1
Hellings, Jelle Antonius Johannes Hamilton, CA 1 1
Rahnama, Sajjad Davis, US 1 1
Sadoghi, Hamedani Mohammad Davis, US 15 126

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