Service Mesh Implement service-to-service communication management with mTLS, traffic shaping, observability, and policy enforcement using Istio or Linkerd. When to Use - Securing microservice communication with automatic mTLS. - Implementing canary deployments, traffic splitting, or A/B testing. - Adding circuit breakers, retries, and timeouts without changing application code. - Gaining service-level observability (latency, error rates, request volume). - Enforcing authorization policies between services. Prerequisites - Kubernetes cluster (1.26+) with kubectl configured. - Helm 3 installed…