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Service-Oriented Architecture Pattern

In a service-oriented architecture, independent components are implemented as services, which provide specific functionality. Services are combined at runtime to define the software system’s behavior. For this to work, service consumers must be able to locate and use services without knowing about implementation details behind the services they use.

Service-oriented architectures (SOA) can be implemented in many ways. Traditional SOA relies heavily on message buses and communication via SOAP. Modern SOA encourages the use of fine-grained microservices connected by lightweight message protocols such as HTTP.

Complex organizations will often turn to SOA to design large software systems in which different ...