cess control policies. In fact, <strong>the &ldquo;RBAC + conditions” model
that Istio authorization adopts, has all the benefits an RBAC system has, and supports the level of flexibility that
normally an ABAC system provides.</strong> You&rsquo;ll see some <a href=/v1.21/blog/2018/istio-authorization/#examples>examples</a> below.</p><h3 id=high-performance>High performance</h3><p>Because of its simple semantics, Istio authorization is enforced on Envoy as a native authorization support. At runtime, the
a