- 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.。
- 9.1 Introduction to Golang Scheduling
- The basic concepts of Golang scheduling and its implementation.
- 9.2 The Go Net Poll
- Deep dive into the Go net poller and its role in network communication.
- Appendix A: Summary of Common Commands
- Appendix B: Sample Configuration Files
- Appendix C: Troubleshooting Guide