l=Istiod><a href=#istiod>Istiod</a></ol></li></ol><hr></div></nav><p>An Istio service mesh is logically split into a <strong>data plane</strong> and a <strong>control
plane</strong>.</p><ul><li><p>The <strong>data plane</strong> is composed of a set of intelligent proxies
(<a href=https://www.envoyproxy.io/>Envoy</a>) deployed as sidecars. These proxies
mediate and control all network communication between microservices. They
also collect and report telemetry on all mesh traffic.</p></li><li><p>The <strong>