Architecture overview Threading modelListener filtersHTTP connection management HTTP header sanitizing HTTP filters Route tablePriority routing gRPC WebSocket support Cluster manager Service discovery On eventually consistent service discovery Passive health checkingActive health checking fast failure Connection pooling HTTP/2 Load balancing Original destinationPriority levelsLocality weighted load balancing Outlier detection Detection typesConfiguration reference Global rate limiting Underlying implementationAuthentication filter Tracing How to initiate a traceWhat data each trace contains Access logging Further reading DynamoDB ConfigurationFailure modes Dynamic configuration SDS/EDS onlySDS/EDS, CDS, and RDS InitializationScripting