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Architecture Pattern

Two-Phase Commit (2PC)

Atomic distributed transactions across multiple DBs. Prepare, then commit or rollback.

consistency

Flow From Map

Phase 1 — Prepare:
  → [DB1 ✓] [DB2 ✓] [DB3 ✓]
Phase 2 — Commit all or none

Your POC Area

Replace this placeholder with your interactive proof of concept for Two-Phase Commit (2PC). This route is already dedicated to this pattern, so you can add diagrams, controls, code demos, or simulations here.

Example references: XA transactions, DTC, node-postgres tx flows

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