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 Duration 14 hours

Course Outline

Introduction to Service Mesh

  • The challenges of managing microservices at scale
  • How a service mesh addresses these challenges
  • Comparison of Istio with other service meshes (Linkerd, Consul)

Kubernetes Networking Fundamentals

  • The core networking model of Kubernetes
  • Services, Ingress, and load balancing strategies
  • Limitations of native Kubernetes networking

Istio Features and Architecture

  • Control plane versus data plane
  • The function of Envoy sidecars
  • Key Istio components: Pilot, Citadel, Mixer (legacy), and Istiod

Installing Istio on Kubernetes

  • Preparing a Kubernetes cluster for Istio deployment
  • Installing Istio using Helm and Istioctl
  • Verifying installation and sidecar injection

Istio Traffic Management

  • Configuring routing, retries, and failover mechanisms
  • Implementing blue/green and canary deployments
  • Utilizing Istio Gateway for ingress traffic

Service Mesh Security with Istio

  • Mutual TLS (mTLS) for service-to-service authentication
  • Authorization policies (RBAC and ABAC)
  • Implementing Zero Trust architecture in Istio

Observability and Monitoring

  • Leveraging Prometheus and Grafana with Istio
  • Distributed tracing using Jaeger and Zipkin
  • Analysis of metrics, logs, and traces

Istio and Calico Integration

  • Enforcing advanced network policies
  • Securing pod-to-pod communication
  • Best practices for deploying Istio + Calico

Troubleshooting and Best Practices

  • Addressing common issues in Istio deployments
  • Debugging sidecar proxies
  • Operational best practices for production service meshes

Summary and Next Steps

Requirements

  • Solid understanding of networking concepts
  • Familiarity with the Linux command line
  • Proficiency in containers and Kubernetes

Target Audience

  • Developers
  • Cloud architects
  • DevOps engineers
  • Network engineers
  • System administrators

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