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Approximate Agreement under Mobile Byzantine Faults

Abstract : In this paper, we address the Approximate Agreement problem in the Mobile Byzantine Fault model. Our contribution is three-fold. First, we refine the problem specification to adapt it to the Mobile Byzantine Fault environment. Then, we propose the first mapping from the existing variants of Mobile Byzantine models to the Mixed-mode Fault model. This mapping further help us to prove the correctness of MSR (Mean-Subsequence-Reduce) algorithms class in our context and it is of independent interest. We also prove lower bounds for solving Approximate Agreement under all existing Mobile Byzantine fault models.
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Contributor : Sébastien Tixeuil <>
Submitted on : Friday, March 22, 2019 - 9:55:27 AM
Last modification on : Friday, January 8, 2021 - 5:38:03 PM



Silvia Bonomi, Antonella del Pozzo, Maria Potop-Butucaru, Sébastien Tixeuil. Approximate Agreement under Mobile Byzantine Faults. Theoretical Computer Science, Elsevier, 2019, 758, pp.17-29. ⟨10.1016/j.tcs.2018.08.001⟩. ⟨hal-02076370⟩



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