ns of (for example) Citadel and Pilot.</p></li><li><p><strong>Microservices empower you to scale components independently.</strong> In Istio 1.5, control plane costs are dominated by a single feature: serving the Envoy xDS APIs that program the data plane. Every other feature has a marginal cost, which means there is very little value to having those features in separately-scalable microservices.</p></li><li><p><strong>Microservices empower you to maintain security boundaries.</strong> Another good reason t