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异步中的共识:严格形式化

Consensus In Asynchrony: Strictly Formal

Ivan Klianev

arXiv 2607.24095首次发表:更新:

AI 中文总结

研究解决完全异步环境中确定性容错共识可能性与FLP不可能性结果间的矛盾,用严格形式化框架弥合差距,证明一个协议阶段的作用,还给出容忍多故障新算法并严格证明正确性。

AI 中文摘要

在本文中,我们解决了在完全异步环境中确定性容错共识已被证明的可能性与Attiya、Castañeda和Rajsbaum对FLP不可能性结果的再次确认之间的明显矛盾。通过使用扩展他们推理的严格形式化框架,我们弥合了这一理论上的基本差距。具体而言,我们证明一个协议阶段使他们的发现得出相反结论。另一个重要成果是一种能容忍多个故障的新算法。我们提供严格的正确性证明来验证结果。

英文摘要

In this paper, we resolve the apparent contradiction between the proven possibility of deterministic crash-tolerant consensus in a fully asynchronous environment and the reconfirmation of the FLP impossibility result by Attiya, Castañeda, and Rajsbaum. With the use of a strictly formal framework that extends their reasoning, we close this fundamental gap in theory. Specifically, we demonstrate that a single protocol phase separates their findings from reaching the exact opposite conclusion. Another important outcome is a novel algorithm with ability to tolerate multiple crash faults. We provide a rigorous, strictly formal proof of correctness to validate our results.

CommentsThis is an Accepted Manuscript of an article published by Taylor & Francis Group in the International Journal of Parallel, Emergent & Distributed Systems on 22/07/2026, available online: https://www.tandfonline.com/doi/10.1080/17445760.2026.2694348

Journal ref2026. International Journal of Parallel, Emergent and Distributed Systems, July, 1-24

DOI:10.1080/17445760.2026.2694348

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