Multi-Paxos vs Strong-Sync Primary/Replica vs Raft: Which HA Model Actually Gets You RPO=0 in 2026?

An architect’s breakdown: quorum DR, split-brain, leases — and why “wait for the standby” isn’t the same as “survive minority failures.” What Is Paxos Saying — and Why It Matters? If you’ve never bumped into distributed systems theory, Paxos might sound like an inside joke from a computer-science department. A useful mental model is a roomful of people trying to agree on one outcome — except some people arrive late, drop off the call, or contradict themselves. The system still has...