tem title='Understand and manage Istio&#39;s "zero-trust tunnel" proxy.' href=/v1.21/docs/ops/ambient/usage/ztunnel/>Layer 4 Networking & mTLS with Ztunnel</a></li><li role=none><a role=treeitem title="Gain the full set of Istio feature with optional waypoint proxies." href=/v1.21/docs/ops/ambient/usage/waypoint/>Layer 7 Networking & Services with Waypoint Proxies</a></li><li role=none><a role=treeitem title="Understand how traffic is redirected between pods and the ztunnel node proxy." href=/v1.21/docs/ops