microservices-patterns

Istio traffic routing for microservices on Kubernetes is configured using VirtualService and DestinationRule resources. This enforces end-to-end patterns for traffic splitting, canary deployments, and blue-green deployments across distributed systems.

Circuit breakers and retries in a service mesh are best implemented through Istio resilience configurations. You define connection pools, outlier detection, and retry policies within DestinationRules to prevent cascading failures across microservices.

Observability and tracing for microservices with Istio are set up by leveraging the mesh's built-in telemetry capabilities. This automatically collects metrics, distributed traces, and logs to provide visibility into service interactions and governance.

Yes, Istio supports multi-cluster microservices deployments on Kubernetes. It provides end-to-end patterns for managing traffic routing, security, and observability across multiple clusters to simplify distributed systems operations.

mTLS security across microservices in a service mesh is enforced using Istio PeerAuthentication policies. This automatically encrypts end-to-end traffic between services without requiring application code changes.

You should not use a service mesh for simple or single-service Kubernetes applications where the operational overhead of Istio outweighs the benefits. The complexity of traffic management and observability configurations is best suited for production-grade distributed systems.