uration.
If a Wasm extension is configured as <a href=https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/wasm/v3/wasm.proto#extensions-wasm-v3-pluginconfig>fail closed</a>, a bad remote fetch will stop Envoy from serving.
To fix this issue, <a href=https://github.com/envoyproxy/envoy/issues/9447>a fundamental change</a> is needed to the Envoy xDS protocol to make it allow asynchronous xDS responses.</p><p>Istio 1.9 provides a reliable distribution mechanism out of the box by leveraging the xDS pr