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Course Outline

Introduction to Service Mesh

  • Challenges associated with managing microservices at scale.
  • Solutions provided by service meshes.
  • Comparison of Istio with other service meshes (Linkerd, Consul).

Kubernetes Networking Fundamentals

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

Istio Features and Architecture

  • Distinction between control plane and data plane.
  • The role of Envoy sidecars.
  • Key Istio components: Pilot, Citadel, Mixer (legacy), and Istiod.

Installing Istio on Kubernetes

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

Working with Istio Traffic Management

  • Configuring routing, retries, and failovers.
  • Implementing blue/green and canary deployments.
  • Utilizing the Istio Gateway for ingress traffic.

Service Mesh Security with Istio

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

Observability and Monitoring

  • Using Prometheus and Grafana with Istio.
  • Distributed tracing with Jaeger and Zipkin.
  • Analyzing metrics, logs, and traces.

Integrating Istio with Calico

  • Advanced network policy enforcement.
  • Securing pod-to-pod communication.
  • Best practices for deploying Istio alongside Calico.

Troubleshooting and Best Practices

  • Common issues encountered in Istio deployments.
  • Debugging sidecar proxies.
  • Operational best practices for production service meshes.

Summary and Next Steps

Requirements

  • A solid understanding of networking concepts.
  • Experience with the Linux command line.
  • Knowledge of containers and Kubernetes.

Audience

  • Developers.
  • Cloud architects.
  • DevOps engineers.
  • Network engineers.
  • System administrators.
 14 Hours

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