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Service-Oriented Architecture (SOA)

By Habib Pourfard

Service-Oriented Architecture (SOA) builds big systems from smaller, reusable services. Each service has a clear contract and works over a network, making it easier to reuse code and share data—but it can get complicated if not managed carefully.

Picture a team of translators. Each translator knows a few languages and follows strict rules. You can hire them for new projects or swap them out, but every translation passes through their contract.

  • Reusable services: Small building blocks, each with a contract
  • Loose coupling: Services talk through agreed messages
  • Reusability: Build new solutions by combining services
A group of translators, each at a desk with documents, passing messages to one another
SOA lets you build big systems from reliable, reusable services, much like a team of translators handling different languages.