"address": "0.0.0.0",
         "port_value": 9080
        }
       },
       "filter_chains": [
        {
         "filter_chain_match": {
          "transport_protocol": "raw_buffer",
          "application_protocols": [
           "http/1.1",
           "h2c"
          ]
         },
         "filters": [
          {
           "name": "envoy.filters.network.http_connection_manager",

'environments', allowing applications to select a set of control plane settings and components. While the entire mesh respects the same APIs and config, apps may target different 'environments' which contain different instances and variants of Istio. - Better security: separate Istio components reside in different namespaces, allowing different teams or roles to manage different parts of Istio. For example, a security team would maintain the root CA and policy, a telemetry team may only have access to...