[bjourne]

It's a buzz word with no content. "Microservice architecture, or simply microservices, is a distinctive method of developing software systems that tries to focus on building single-function modules with well-defined interfaces and operations." That is the normal way of developing software systems.

In practice, it can mean responsive web sites that relies on AJAX end points or a collection of REST api:s. But you can never know that any two people mean the same thing when they speak about "microservices."