Three years ago, I wrote an article titled “Back to Microservices with Istio” [https://medium.com/google-cloud/back-to-microservices-with-istio-p1-827c872daa53] for Google Cloud Community. I published it there to reach people interested in the latest technologies built on top of Kubernetes. At that point, Istio was a niche technology. But fast-forward three years, and: