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Course Outline

Introduction to Service Mesh Concepts

  • Challenges associated with managing microservices at scale
  • The specific problems that a service mesh addresses
  • Comparison of Istio with alternative service meshes (Linkerd, Consul)

Kubernetes Networking Fundamentals

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

Istio Features and Architectural Design

  • Control plane versus data plane distinctions
  • The function of Envoy sidecars
  • Essential 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 process and sidecar injection

Managing Traffic with Istio

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

Service Mesh Security using Istio

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

Observability and Monitoring Strategies

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

Integrating Istio with Calico

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

Troubleshooting and Operational Best Practices

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

Summary and Future Directions

Requirements

  • Familiarity with fundamental networking concepts
  • Proficiency with the Linux command line
  • Understanding of containers and Kubernetes

Audience

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

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