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Course Outline
Introduction to Service Mesh Concepts
- The challenges associated with managing microservices at scale.
- How service meshes address common architectural problems.
- Comparison of Istio with alternative service meshes such as Linkerd and Consul.
Fundamentals of Kubernetes Networking
- The core networking model in Kubernetes.
- Understanding Services, Ingress, and load balancing mechanisms.
- Limitations inherent to native Kubernetes networking.
Istio Architecture and Key Features
- Distinction between the control plane and data plane.
- The function of Envoy sidecars.
- Overview of 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.
- Validating the installation and sidecar injection.
Managing Traffic with Istio
- Setting up routing, retries, and failover mechanisms.
- Implementing Blue/Green and canary deployment strategies.
- Utilizing Istio Gateway for ingress traffic control.
Securing Service Meshes with Istio
- Implementing Mutual TLS (mTLS) for inter-service authentication.
- Configuring authorization policies (RBAC and ABAC).
- Applying Zero Trust architecture principles within Istio.
Observability and Monitoring Strategies
- Integrating Prometheus and Grafana with Istio.
- Performing distributed tracing using Jaeger and Zipkin.
- Analyzing metrics, logs, and trace data.
Integrating Istio with Calico
- Enforcing advanced network policies.
- Securing pod-to-pod communications.
- Best practices for deploying Istio alongside Calico.
Troubleshooting and Operational Best Practices
- Addressing common issues in Istio deployments.
- Debugging sidecar proxy behavior.
- Applying operational best practices for production-grade service meshes.
Conclusion and Future Steps
Requirements
- A solid grasp of networking fundamentals.
- Familiarity with the Linux command line.
- Proficiency with containers and Kubernetes.
Audience
- Software Developers.
- Cloud Architects.
- DevOps Engineers.
- Network Engineers.
- System Administrators.
14 Hours
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