d before implementation. The original design had to duplicate Envoy configuration for listeners, clusters, routes and endpoints. Given that many people already experience Envoy memory and CPU consumption issues, early feedback wanted us to completely re-evaluate this approach. Many proxies transparently handle outbound dual-stack traffic regardless of how the traffic was originated. Much of the earliest feedback was to implement the same behavior in Istio and Envoy.</p><h2 id=redefining-dual-stack-support>R