/docs/concepts/traffic-management/#gateways>Istio Gateways</a></p><h2 id=network-layers-beneath-the-mesh>Network Layers Beneath the Mesh</h2><p>Istio's service mesh runs on top of the networking provided by the
infrastructure environment (e.g. Kubernetes) on which the Istio mesh
is deployed. Istio has certain requirements of this networking layer.
This guide will not attempt to provide any operational insight to this
networking layer as many options exist. In the case of Kubernetes a
good reference to under