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Course Outline

Service Mesh Fundamentals

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

Kubernetes Networking Essentials

  • The core networking model of Kubernetes
  • Services, Ingress resources, and load balancing mechanisms
  • Inherent limitations of native Kubernetes networking

Istio Capabilities and Architecture

  • Distinction between the control plane and data plane
  • The function of Envoy sidecar proxies
  • 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
  • Validating the installation process and sidecar injection

Managing Traffic with Istio

  • Setting up routing rules, retries, and failover strategies
  • Executing blue/green and canary release deployments
  • Utilizing the Istio Gateway for ingress traffic management

Enhancing Security with Istio

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

Observability and Monitoring

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

Istio and Calico Integration

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

Troubleshooting and Operational Best Practices

  • Addressing common challenges in Istio deployments
  • Diagnosing sidecar proxy issues
  • Operational best practices for maintaining production service meshes

Course Conclusion and Future Directions

Requirements

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

Target Audience

  • Software developers
  • Cloud architects
  • DevOps engineers
  • Network engineers
  • System administrators
 14 Hours

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