The service mesh Istio extends your container platform (Kubernetes, OpenShift) by essential functionalities in the networking part for distributed systems. The tool is a open-source project mainly developed and designed by Google, IBM and Lyft. Istio sits on top of your container platform and takes over the key tasks of traffic management, network security, policy enforcement and telemetry collection. The features of Istio render the possibility to make the entire traffic in your container platform visible, to restrict the traffic via custom sets of rules, to encrypt all the traffic within the container platform and to control the traffic in a way that new versions of a container application can be rolled out into a production environment fast and secure.