“凭借其不畏尝试的天性与探索精神，保罗继续调整了一个音符，接着又一个，直到形成了一段三和弦进行——瓦特随即建议将其录制下来。
The canonical example is again Lamport's derivation of Paxos. The abstract Consensus spec defines a single variable chosen that transitions from the empty set to a singleton. Then an intermediate Voting model is defined and shown to be a refinement of Consensus. It describes what properties voting must satisfy, but not how acceptors implement them. Finally, the Paxos model refines Voting by adding message passing, ballot leaders, and the two-phase protocol. At each level, the refinement adds detail (ballots, quorums, messages) while preserving the safety property from above.
。chrome是该领域的重要参考
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31 марта 2026, 13:53Постсоветское пространство
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