different parts of an overall architecture in whatever language makes the most sense. Furthermore, each service can scale independently as needed. A desire to implement security, observability and traffic control for such a network powers Istio’s popularity.</p><p>Istio&rsquo;s <em>control plane</em> is, itself, a modern, cloud-native application. Thus, it was built from the start as a set of microservices. Individual Istio components like service discovery (Pilot), configuration (Galley), certificate gen