Fine-grained control of traffic behavior with rich routing rules, retries, failovers, and fault injection.</p></li><li><p>A pluggable policy layer and configuration API supporting access controls, rate limits and quotas.</p></li><li><p>Automatic metrics, logs, and traces for all traffic within a cluster, including cluster ingress and egress.</p></li><li><p>Secure service-to-service communication in a cluster with strong identity-based authentication and authorization.</p></li></ul><p>Istio is designed for e