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Course Outline

Introduction to Service Mesh

  • Challenges associated with managing microservices at scale.
  • The specific problems that a service mesh addresses.
  • Comparison of Istio with alternative service meshes like Linkerd and Consul.

Kubernetes Networking Fundamentals

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

Istio Features and Architecture

  • Distinction between the control plane and 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.
  • Validating the installation and sidecar injection.

Managing Traffic with Istio

  • Configuring routing, retries, and failover strategies.
  • Implementing Blue/green and canary deployments.
  • Utilizing Istio Gateway for ingress traffic.

Service Mesh Security with Istio

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

Observability and Monitoring

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

Integrating Istio with Calico

  • Enforcing advanced network policies.
  • Securing pod-to-pod communication.
  • Best practices for deployments combining Istio and Calico.

Troubleshooting and Best Practices

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

Summary and Next Steps

Requirements

  • A solid grasp of networking concepts.
  • Proficiency with the Linux command line.
  • Familiarity with containers and Kubernetes.

Audience

  • Developers.
  • Cloud Architects.
  • DevOps Engineers.
  • Network Engineers.
  • System Administrators.
 14 Hours

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