How to: Service mesh
Service-to-service communication is essential in a distributed application but routing this communication, both within and across application clusters, becomes increasingly complex as the number of services grows. Service mesh enables managed, observable, and secure communication between individual services. It works with a service discovery protocol to detect services. [Istio](https://istio.io/latest/about/service-mesh) and [envoy](https://www.envoyproxy.io) are some of the most commonly used service mesh technologies.