ZhiKe AI

Jun 9, 2026 · Backend Development

What Makes SOA Different from Microservices? Services, ESB, and Legacy Explained

The article explains that Service‑Oriented Architecture (SOA) focuses on integrating many heterogeneous systems through service contracts and an ESB as a means, contrasts orchestration with choreography, debunks common misconceptions, and shows how SOA’s core ideas survive in modern microservices.