Kubernetes Networking: From Basics to Best Practices

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Introduction

  • Importance of Kubernetes in modern cloud architectures.

  • The centrality of networking within K8s.

Fundamental Concepts in Kubernetes Networking

  • Pod Networking.

  • Service Networking.

  • Ingress and Egress mechanisms.

  • Network Policies.

Networking Plugins and Solutions

  • Overview of common networking plugins (Calico, Flannel, Cilium, etc.).

  • How these plugins operate.

  • Advantages and disadvantages of each solution.

Core Components in K8s Networking

  • Role and functioning of kube-proxy.

  • Importance and configuration of CoreDNS.

  • Application and examples of network policies.

Advanced Networking Features

  • Networking security: Incorporating TLS, network policies, etc.

  • Inter-cluster networking.

  • Service Mesh (e.g., Istio, Linkerd) and their roles within K8s.

  • Load balancing and service discovery.

Performance and Optimization

  • Challenges with networking performance.

  • Strategies to optimize K8s networking.

  • Troubleshooting and monitoring of the network.

Real-world Cases and Best Practices

  • Implementations of K8s networking in enterprise or project settings.

  • Common networking pitfalls and their solutions.

  • Best practices in K8s networking.

Future Outlook

  • Upcoming trends in Kubernetes networking.

  • Emerging technologies and solutions in the domain.

Conclusion

  • Reiterating the importance and challenges of K8s networking.

  • Encouraging further research and exploration.

References