During the decades of existence in the software development arena, various paradigm shifts have been experienced in IT architectures. These changes have led to large phases of modernization in business systems starting with the first major modernization that allowed migrating the first computer systems to routine programming. Later on, the client-server model changed complete architectures to give way to layered programming where the Model-View-Controller pattern radically changed the way of structuring solutions towards better maintainability.

With the rise of the Internet and the need for Business Integration (B2B / B2C), a new interconnectivity model emerged: SOA. The way to connect and orchestrate both internal and external systems changed dramatically with the service-oriented paradigm. Later, the arrival of cloud computing, although having started as a watershed in infrastructure provisioning, would also change the way we design software solutions by making them “cloud native” (e.g. serverless), assuming that many services would be deployed in a more elastic infrastructure.

If we conduct a quick analysis, we can see that everything points towards a granularization of solutions.