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2003
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Assuring Consistency and Increasing Reliability in Group Communication Mechanisms in Computational Resiliency

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Assuring Consistency and Increasing Reliability in Group Communication Mechanisms in Computational Resiliency
— The Computational Resiliency library (CRLib) provides distributed systems with the ability to sustain operation and dynamically restore the level of assurance in system function during attacks or failures. In the presence of arbitrary faults, replicated threads need to agree on the values received in order to achieve consistency, when doing group communication in CRLib. To guarantee data integrity and increase reliability, we have implemented a variant of the Lamport-Shostak-Pease oral message algorithm for the Byzantine Generals problem, which provides fuzzy agreement as well as a reduction of the expected communication overhead. Instead of agreeing on the original messages, which could be extremely large, agreement is performed over the 160-bit hashes of normalized messages computed
Norka B. Lucena, Steve J. Chapin, Joohan Lee
Added 04 Jul 2010
Updated 04 Jul 2010
Type Conference
Year 2003
Where IAW
Authors Norka B. Lucena, Steve J. Chapin, Joohan Lee
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