Module
Consensus Intuition: Two-Phase Commit to Paxos/Raft
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About
Why consensus is hard (FLP); 2PC/3PC for atomic commit; Paxos (roles, phases, safety) and Raft (leader election, log replication, membership) at intuition + pseudocode level—not full formal proofs.
Goal
Explain Paxos/Raft safety and liveness arguments at a high level; simulate a simple Raft leader election + log replication under crash failures; contrast with 2PC blocking behavior.
Prerequisites
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Tutor
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