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 Duration 14 hours

Course Outline

Introduction to Service Mesh

  • Challenges associated with managing microservices at scale
  • Problems that a service mesh addresses
  • Comparing Istio with alternative service meshes such as Linkerd and Consul

Kubernetes Networking Fundamentals

  • Core Kubernetes networking model
  • Services, Ingress, and load balancing mechanisms
  • Limitations inherent in native Kubernetes networking

Istio Features and Architecture

  • Control plane versus 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 process

Managing Traffic with Istio

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

Service Mesh Security with Istio

  • Mutual TLS (mTLS) for secure 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 trace data

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 proxy configurations
  • Operational best practices for production service meshes

Summary and Future Steps

Requirements

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

Target Audience

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

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