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Course Outline
Introduction to Service Mesh
- Challenges associated with managing microservices at scale.
- How a service mesh addresses these challenges.
- Comparison of Istio with other service meshes (Linkerd, Consul).
Kubernetes Networking Fundamentals
- The core Kubernetes networking model.
- Services, Ingress, and load balancing.
- Limitations of native Kubernetes networking.
Istio Features and Architecture
- Distinction between the control plane and 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.
Working with Istio Traffic Management
- Configuring routing, retries, and failovers.
- Blue/green and canary deployment strategies.
- Using the Istio Gateway for ingress traffic.
Service Mesh Security with Istio
- Mutual TLS (mTLS) for service-to-service authentication.
- Authorization policies (RBAC and ABAC).
- Implementing Zero Trust architecture within Istio.
Observability and Monitoring
- Utilising Prometheus and Grafana with Istio.
- Distributed tracing using Jaeger and Zipkin.
- Analysing metrics, logs, and traces.
Integrating Istio with Calico
- Advanced network policy enforcement.
- Securing pod-to-pod communication.
- Best practices for combining Istio and Calico deployments.
Troubleshooting and Best Practices
- Common issues encountered in Istio deployments.
- Debugging sidecar proxies.
- Operational best practices for production service meshes.
Summary and Next Steps
Requirements
- A foundational understanding of networking concepts.
- Experience with the Linux command line.
- Knowledge of containers and Kubernetes.
Audience
- Developers
- Cloud architects
- DevOps engineers
- Network engineers
- System administrators
14 Hours
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