Service-Oriented Architecture (SOA) is an architectural style that supports service orientation. Consequently, an SOA context diagram is as well applied in the field of software design, where services are provided to the other components by application components through a communication protocol over a network. The external systems in the SOA application context diagram is a validation rules engine that influences several other internal systems like two different legacy production systems. As the SOA diagram shows, when businesses grow, they often add new products and services. While these additions may help make the company larger, it is often difficult to implement them in an efficient manner. The goal of the SOA application context diagram is to make it easy for businesses to grow and add new services
