Group</a> as a sidecar/API Gateway/cloud-native Ingress/Layer 4 or Layer 7 load balancer etc. Over time, we&rsquo;ve added extra features, like a multi-protocol framework, multi-process plug-in mechanism, a DSL, and support for the <a href=https://www.envoyproxy.io/docs/envoy/latest/api-docs/xds_protocol>xDS APIs</a>. Supporting xDS means we are now able to use MOSN as the network proxy for Istio. This configuration is not supported by the Istio project; for help, please see <a href=#learn-more>Learn More</