What is Istio? Google presents Istio as an open platform to connect, monitor, and secure microservices. Istio is a service mesh implementation that provides many cloud-native capabilities like: Traffic management: Service Discovery, Load balancing, Failure recovery, A/B testing, Canary releases, etc… Observability: Request Tracing, Metrics, Monitoring, Auditing, Logging, etc… Security: ACLs, Access control, Rate limiting, End-to-end authentication, etc…