Pré-Publication, Document De Travail Année : 2025

On the Solvability of Byzantine-tolerant Reliable Communication in Dynamic Networks

Résumé

A reliable communication primitive guarantees the delivery, integrity, and authorship of messages exchanged between correct processes of a distributed system. We investigate the necessary and sufficient conditions for reliable communication in dynamic networks, where the network topology evolves over time despite the presence of a limited number of Byzantine faulty processes that may behave arbitrarily (i.e., in the globally bounded Byzantine failure model). We identify classes of dynamic networks where such conditions are satisfied, and extend our analysis to message losses, local computation with unbounded finite delay, and authenticated messages.

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Dates et versions

hal-05009549 , version 1 (28-03-2025)
hal-05009549 , version 2 (01-08-2025)
hal-05009549 , version 3 (11-03-2026)

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Silvia Bonomi, Giovanni Farina, Sébastien Tixeuil. On the Solvability of Byzantine-tolerant Reliable Communication in Dynamic Networks. 2026. ⟨hal-05009549v3⟩
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