/introducing-ambient-mesh/ambient-secure-overlay.png alt="Ambient mesh uses a shared, per-node ztunnel to provide a zero-trust secure overlay"></a></div><figcaption>Ambient mesh uses a shared, per-node ztunnel to provide a zero-trust secure overlay</figcaption></figure><p>After ambient mesh is enabled and a secure overlay is created, a namespace can be configured to utilize L7 features.
This allows a namespace to implement the full set of Istio capabilities, including the <a href=/v1.17/docs/reference/confi