Inside Linux Networking: A Code-Level Exploration of IPVS and IPTABLES


Setting the Context: Linux Networking Primer

  • Brief on Linux Networking.

  • Importance of packet routing and filtering.

Introducing IPVS (IP Virtual Server)

  • What is IPVS and its historical context.

  • Core functionalities of IPVS.

Diving into IPVS Source Code

  • Code structure and key components.

  • Walkthrough of a typical packet's journey through IPVS.

  • Algorithms and strategies used (Round Robin, Least Connection, etc.)

Introducing IPTABLES: The Linux Firewall

  • Role and significance of IPTABLES in Linux networking.

  • Historical evolution and its place in modern systems.

Dissecting IPTABLES Source Code

  • Understanding key files and modules.

  • Tracing packet flow through IPTABLES chains.

  • Exploration of match and target extensions.

Comparative Analysis: IPVS vs. IPTABLES

  • Key differences and similarities.

  • Use-cases: When to use which?

Performance Implications and Benchmarks

  • Real-world performance tests.

  • Scalability considerations.

Challenges and Critiques

  • Common pitfalls and challenges in working with IPVS and IPTABLES.

  • Community's feedback and critiques.

Future of Linux Networking: Beyond IPVS and IPTABLES

  • Emerging trends and tools.

  • Evolution of networking tools in Linux.

Conclusion: Reflections on the Deep Dive

  • Summarizing the exploration.

  • Encouraging hands-on exploration and further study.