One Map Playstyle
Introduce the architecture and basic concepts of the first three layers of the network.
Explain the communication principles between the first three layers of the network.
1.1 Kubernetes Network Model
Introduce the network architecture and basic concepts of Kubernetes.
Explain the relationship between Pods, Services, and network policies.
1.2 Network Communication Principles
Describe how containers communicate with each other.
Discuss network namespaces and virtual network interfaces.
2.1 Overview of Container Network Stack
Introduce how containers use the Linux network stack.
Describe the network interactions between containers and the host machine.
2.2 Network Namespaces
Deep dive into how Linux network namespaces work.
Demonstrate how to configure networks within namespaces.
2.3 Virtual Network Interfaces
Introduce the concept of virtual Ethernet pairs (veth pairs).
Demonstrate how to create and use veth interfaces.
3.1 Overview of CNI
Define the role and importance of CNI.
Discuss the types and functions of CNI plugins.
3.2 Common CNI Plugins
Compare different CNI plugins (e.g., Flannel, Calico, Weave).
Show how to install and configure a CNI plugin.
3.3 Mechanism of CNI
Explore the workflow of CNI, including the network configuration process when creating Pods.
4.1 Types of Services
Describe the differences and use cases for ClusterIP, NodePort, and LoadBalancer.
4.2 Working Principles of Services
Deep dive into how Kubernetes implements service discovery and load balancing.
4.3 Headless Services and DNS
Discuss the concept of headless services and their application in service discovery.
5.1 Role of DNS in Kubernetes
Describe the functions and importance of built-in DNS in Kubernetes.
5.2 DNS Configuration and Usage
Show how to configure and use Kubernetes DNS.
5.3 Common Issues and Troubleshooting
List common DNS issues and their solutions.
6.1 Overview of BGP
Define the basic concepts of BGP and its role in the internet.
6.2 Working Principles of BGP
Explore the BGP routing selection process and its algorithms.
6.3 Using BGP in Kubernetes
Describe how to configure BGP in a Kubernetes cluster for cross-node routing.
7.1 Introduction to Gateway API
Introduce the Gateway API, its purpose, and its relationship with other networking solutions.
7.2 Gateway API Architecture
Discuss the architecture and components of the Gateway API.
8.1 Case Analysis
Analyze practical cases using Kubernetes networking to showcase best practices.
8.2 Troubleshooting and Optimization Suggestions
Provide solutions for common issues and optimization suggestions to improve network performance and reliability.。
Appendix A: Summary of Common Commands
Appendix B: Sample Configuration Files
Appendix C: Troubleshooting Guide
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