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Course Outline

Introduction to Service Mesh

  • Challenges associated with managing microservices at scale.
  • How a service mesh addresses these challenges.
  • Comparison of Istio with other service mesh solutions (Linkerd, Consul).

Kubernetes Networking Fundamentals

  • 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 deployment.
  • Installing Istio using Helm and Istioctl.
  • Verifying the installation and sidecar injection.

Working with Istio Traffic Management

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

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

  • Integrating Prometheus and Grafana with Istio.
  • Performing distributed tracing with Jaeger and Zipkin.
  • Analyzing metrics, logs, and traces.

Integrating Istio with Calico

  • Enforcement of advanced network policies.
  • 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-grade service meshes.

Summary and Next Steps

Requirements

  • Fundamental understanding of networking concepts.
  • Experience using the Linux command line.
  • Knowledge of containers and Kubernetes.

Target Audience

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

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