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Course Outline

Service Mesh Introduction

  • Challenges associated with managing microservices at scale
  • How service meshes address these challenges
  • Comparison of Istio with alternative service meshes (Linkerd, Consul)

Foundations of Kubernetes Networking

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

Istio Capabilities and Architecture

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

Deploying Istio on Kubernetes

  • Readying a Kubernetes cluster for Istio deployment
  • Installing Istio using Helm and Istioctl
  • Validating the installation and sidecar injection process

Managing Traffic with Istio

  • Setting up routing rules, retries, and failover mechanisms
  • Implementing blue/green and canary deployment strategies
  • Utilizing the Istio Gateway for managing ingress traffic

Securing the Service Mesh with Istio

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

Observability and Monitoring Strategies

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

Combining Istio with Calico

  • Enforcing advanced network policies
  • Securing communication between pods
  • Recommended practices for Istio and Calico integrations

Troubleshooting and Operational Excellence

  • Addressing common challenges in Istio deployments
  • Debugging sidecar proxy issues
  • Best practices for operating production-grade service meshes

Course Summary and Future Directions

Requirements

  • A solid grasp of fundamental networking concepts
  • Proficiency with the Linux command line
  • Familiarity with containerization and Kubernetes

Target Audience

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

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