n Istio today. At Tetrate, we use this
mechanism extensively in our customers&rsquo; multicluster deployments to
enable sidecars to resolve DNS for hosts exposed at ingress gateways
of all the clusters in a mesh, and access them over mutual TLS.</p><h2 id=concluding-thoughts>Concluding thoughts</h2><p>The problems caused by lack of control over DNS have often been
overlooked and ignored in its entirety when it comes to weaving a mesh
across many clusters, different environments, and integrating external
ser