onforming with the
<a href=https://www.envoyproxy.io/docs/envoy/latest/api/api>Envoy API</a> can consume.</p><p>Istio can support discovery for multiple environments such as Kubernetes or VMs.</p><p>You can use Istio&rsquo;s
<a href=/v1.19/docs/concepts/traffic-management/#introducing-istio-traffic-management>Traffic Management API</a>
to instruct Istiod to refine the Envoy configuration to exercise more granular control
over the traffic in your service mesh.</p><p>Istiod <a href=/v1.19/docs/concepts/securi