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Course Outline

Overview of Service Mesh Technology

  • Complexities associated with managing microservices at scale
  • Key functions addressed by service mesh infrastructure
  • Comparative analysis of Istio against alternative solutions (Linkerd, Consul)

Kubernetes Networking Principles

  • Fundamental components of the Kubernetes networking model
  • Implementation of Services, Ingress controllers, and load balancing mechanisms
  • Identified constraints within native Kubernetes networking capabilities

Istio Capabilities and System Architecture

  • Distinction between control plane operations and data plane execution
  • Functionality of Envoy sidecar proxies
  • Core Istio components: Pilot, Citadel, Mixer (legacy), and Istiod

Deployment of Istio on Kubernetes Environments

  • Prerequisites for configuring Kubernetes clusters to support Istio
  • Procedures for installing Istio using Helm and Istioctl tools
  • Validation of installation integrity and sidecar proxy injection

Management of Istio Traffic Routing

  • Configuration of routing rules, retry policies, and failover protocols
  • Execution of blue/green and canary deployment strategies
  • Utilization of Istio Gateway for managing ingress traffic flows

Securing Service Mesh Communications with Istio

  • Implementation of Mutual TLS (mTLS) to ensure service-to-service authentication
  • Definition and application of authorization policies (RBAC and ABAC)
  • Adoption of Zero Trust security frameworks within Istio environments for government applications

System Observability and Monitoring

  • Integration of Prometheus and Grafana for data collection and visualization with Istio
  • Implementation of distributed tracing using Jaeger and Zipkin
  • Analysis of aggregated metrics, logs, and trace data

Integration of Istio with Calico Network Policies

  • Enforcement of advanced network segmentation policies
  • Securing inter-pod communication channels
  • Recommended practices for deploying combined Istio and Calico solutions

Troubleshooting Methodologies and Operational Best Practices

  • Identification and resolution of common issues in Istio deployments
  • Diagnostic procedures for Envoy sidecar proxies
  • Operational guidelines for maintaining production-grade service meshes

Summary and Future Direction

Requirements

  • Proficiency in foundational networking principles
  • Competence with Linux operating system commands
  • Familiarity with containerization technologies and Kubernetes orchestration

Intended Recipients

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

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