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Course Outline

Introduction to Service Meshes

  • Challenges associated with managing microservices at scale
  • How service meshes address these challenges
  • Comparing Istio against alternatives like Linkerd and Consul

Basics of Kubernetes Networking

  • The fundamental Kubernetes networking model
  • Services, Ingress, and load balancing mechanisms
  • Constraints of native Kubernetes networking capabilities

Istio Capabilities and Architecture

  • Distinction between control plane and data plane
  • Function of Envoy sidecars
  • Essential Istio elements: Pilot, Citadel, Mixer (legacy), and Istiod

Deploying Istio on Kubernetes

  • Preparing a Kubernetes cluster for Istio installation
  • Installing Istio using Helm and Istioctl
  • Validating the setup and confirming sidecar injection

Managing Traffic with Istio

  • Setting up routing, retries, and failover strategies
  • Implementing Blue/green and canary release patterns
  • Leveraging the Istio Gateway for ingress traffic control

Securing the Service Mesh with Istio

  • Applying mutual TLS (mTLS) for secure service-to-service authentication
  • Defining authorization policies via RBAC and ABAC
  • Implementing Zero Trust architecture within Istio

Observability and Monitoring

  • Utilizing Prometheus and Grafana alongside Istio
  • Performing distributed tracing using Jaeger and Zipkin
  • Interpreting metrics, logs, and trace data

Combining Istio with Calico

  • Enforcing advanced network policies
  • Securing communication between pods
  • Best practices for deploying Istio with Calico

Troubleshooting and Recommended Practices

  • Addressing common challenges in Istio implementations
  • Diagnosing sidecar proxy issues
  • Operational guidelines for production service meshes

Recap and Future Directions

Requirements

  • Foundational knowledge of networking concepts
  • 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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