ation and certificate management.</p><p>Istiod converts high level routing rules that control traffic behavior into
Envoy-specific configurations, and propagates them to the sidecars at runtime.
It abstracts platform-specific service discovery mechanisms and synthesizes
them into a standard format that any sidecar conforming 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