Nicely done. I think you'd be interested in my work on "federated microservices", which you'll find are federated in the sense you mean here, but also in a fundamentally different and important way. I took this liberty because I couldn't find any evidence that the term had been used before.

https://medium.com/codex/federated-applications-ba396d6925b1

blog.federated-microservices.com

trmidboe@medium.com