Microservices is to SOA as "JSON over HTTP" APIs are to REST APIs. Fundamentally the same goals but with a focus more on being a general description of a "style

Microservices is to SOA as "JSON over HTTP" APIs are to REST APIs. Fundamentally the same goals but with a focus more on being a general description of a "style" rather than a specification for how it should be implemented. This is a double-edged sword of course...