I believe that a huge amount of SOA in production wouldn't qualify as microservices - especially enterprise SOA. Heck, I'd bet a lot of enterprise SOA is just

I believe that a huge amount of SOA in production wouldn't qualify as microservices - especially enterprise SOA. Heck, I'd bet a lot of enterprise SOA is just a giant crufty monolith with a bunch of its functionality exposed via service endpoints. I suppose that a pretty decent approach - add endpoints to a monolith. As long as the service interfaces remain the same, you can bust it up into as many medium or micro sized services as are necessary on the back end and the users of your services won't notice the difference.