Architecture overview TerminologyListenersNetwork (L3/L4) filters HTTP protocolsRoute table configurationTimeouts Static State Typed Metadata Dynamic State Route tablePriority routing gRPC WebSocket and HTTP upgrades Cluster manager Service discovery On eventually consistent service discovery Health check event loggingConnection pool interactionsActive health checking fast failure Connection pooling HTTP/2 Load Balancing Supported load balancersOverprovisioning FactorZone aware routingLocality weighted load balancing Outlier detection Detection typesConfiguration reference Global rate limiting Underlying implementationEnabling certificate verificationAuthentication filter Runtime configuration OverviewTrace context propagation TCP proxy Access logging sinks MongoDBRedis Supported commands Hot restart Fully staticEDS and CDSEDS, CDS, RDS, and LDS InitializationScripting Service Definition