Answer to Question 1
To facilitate online collaboration with suppliers, business partners, and customers, SOA uses and reuses individual services as building blocks, so that systems can be easily built and reconfigured as requirements change. To achieve these benefits, services have to follow three main principles: 1. Reusability. A service should be usable in many different applications. 2. Interoperability. A service should work with any other service. 3. Componentization. A service should be simple and modular.
Answer to Question 2
Service-oriented architecture is a software architecture in which business processes are broken down into individual components (or services) that are designed to achieve the desired results for the service consumer (which can be either an application, another service, or person. Using SOA, business processes are broken down into individual components (or services) that are designed to achieve the desired results for the service consumer (which can either be an application, another service, or a person). By breaking down business processes into individual services, organizations can more swiftly react to changing business needs.
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