raffic.</p></li><li><p>Network resiliency features: setup retries, failovers, circuit breakers, and
fault injection.</p></li><li><p>Security and authentication features: enforce security policies and enforce
access control and rate limiting defined through the configuration API.</p></li><li><p>Pluggable extensions model based on WebAssembly that allows for custom policy
enforcement and telemetry generation for mesh traffic.</p></li></ul><h3 id=istiod>Istiod</h3><p>Istiod provides service discovery, configur