At Deutsche Telekom Pan-Net, we have embraced Istio as the umbrella to cover our services. Unfortunately, there are services which have not yet been migrated to Kubernetes, or cannot be. We can set Istio up as a proxy service for these upstream services. This allows us to benefit from capabilities like authorization/authentication, traceability and observability, even while legacy services stand as they are. At the end of this article there is a hands-on exercise where you can simulate the sc...
