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One of the most important aspects of developing microservices rather than a monolithic application is an inter-service communication. With a monolithic application, running on single process invokes between components are realized on language-level method calls. If you are following the MVC design pattern during development, you usually have model classes that map relational databases to an object model. Then, you create components which expose methods that help to perform standard operations on database tables like create, read, update, and delete. The components most commonly known as DAO or repository objects should not be directly called from a controller, but through an additional layer of components which can also add some portion of business logic if needed. https://goo.gl/uoHVG4 #DataIntegration #ML
