Synchronous Consensus in Partial Synchrony
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866916246495166464 |
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| author | Klianev, Ivan |
| author_facet | Klianev, Ivan |
| contents | We demonstrate a deterministic Byzantine consensus algorithm with synchronous operation in partial synchrony. It is naturally leaderless, tolerates any number of $ f<n/2 $ Byzantine processes with 2 rounds of exchange of originator-only signed messages, and terminates within a bounded interval of time. The algorithm is resilient to transient faults and asynchrony in a fraction of links with known size per number of faulty processes. It circumvents asynchronous and faulty links with 3-hop epidemic dissemination. Key finding: the resilience to asynchrony of links and the enabled by it leaderless consensus in partial synchrony ensure algorithm operation with simultaneous validity, safety, and bounded liveness. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_12677 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Synchronous Consensus in Partial Synchrony Klianev, Ivan Distributed, Parallel, and Cluster Computing We demonstrate a deterministic Byzantine consensus algorithm with synchronous operation in partial synchrony. It is naturally leaderless, tolerates any number of $ f<n/2 $ Byzantine processes with 2 rounds of exchange of originator-only signed messages, and terminates within a bounded interval of time. The algorithm is resilient to transient faults and asynchrony in a fraction of links with known size per number of faulty processes. It circumvents asynchronous and faulty links with 3-hop epidemic dissemination. Key finding: the resilience to asynchrony of links and the enabled by it leaderless consensus in partial synchrony ensure algorithm operation with simultaneous validity, safety, and bounded liveness. |
| title | Synchronous Consensus in Partial Synchrony |
| topic | Distributed, Parallel, and Cluster Computing |
| url | https://arxiv.org/abs/2312.12677 |