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Course Outline

Introduction to Service Meshes

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

Fundamentals of Kubernetes Networking

  • The core networking model in Kubernetes
  • Services, Ingress, and load balancing mechanisms
  • Constraints of native Kubernetes networking

Istio Capabilities and Architecture

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

Deploying Istio on Kubernetes

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

Managing Traffic with Istio

  • Setting up routing, retries, and failover strategies
  • Implementing blue/green and canary deployments
  • Utilizing Istio Gateway for incoming traffic

Securing the Service Mesh with Istio

  • Applying Mutual TLS (mTLS) for inter-service authentication
  • Establishing authorization policies (RBAC and ABAC)
  • Implementing Zero Trust architecture within Istio

Observability and Monitoring

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

Combining Istio with Calico

  • Enforcing advanced network policies
  • Securing communication between pods
  • Best practices for Istio + Calico deployments

Troubleshooting and Operational Best Practices

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

Overview and Future Steps

Requirements

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

Target Audience

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

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