Service-Oriented
The Service-Oriented Architecture, or SOA, has different meanings to different people. This can make discussions about it somewhat challenging. It’s best to try to find some common ground, or at least define the ground for this discussion. Consider some principles of SOA as defined by Thomas Erl [Erl]. Besides the fact that services are always interoperable, they also possess the eight design principles presented in Table 4.1.
Table 4.1. Design Principles of Services
We can combine these principles with a Hexagonal Architecture, with the service boundary at the far left and the domain model at the heart. The basic architecture ...
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