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 Duration 14 hours

Course Outline

Introduction to Service Mesh Concepts

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

Fundamentals of Kubernetes Networking

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

Istio Features and Architectural Design

  • Differentiation between control plane and data plane
  • The function of Envoy sidecars
  • Key Istio components: Pilot, Citadel, Mixer (legacy), and Istiod

Deploying Istio on Kubernetes

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

Managing Traffic with Istio

  • Setting up routing, retries, and failover strategies
  • Implementing Blue/green and canary deployment models
  • Utilizing Istio Gateway for handling ingress traffic

Securing the Service Mesh with Istio

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

Observability and Monitoring Strategies

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

Integration of Istio with Calico

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

Troubleshooting Techniques and Best Practices

  • Addressing common issues in Istio deployments
  • Debugging sidecar proxy configurations
  • Operational best practices for production-grade service meshes

Course 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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