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Networking is the plumbing of distributed systems. You need to know how data moves. Focus on DNS, TCP, and HTTP. This makes your systems fast and secure.
Learn CNI, overlay networks, and network policies. Start with a simple plan. Do not add features too early. Build a working system first. Then improve it.
Test your work. Cover normal use and failures. Automated tests save time.
Monitor your production systems. Track errors and resource use. Set up alerts. Data shows the truth.
Avoid over-engineering. Do not build for scale you do not have. Complexity hurts reliability. Keep it simple.
Focus on your team. The best design fails if your team fails to run it. Pick tools your team knows.
Follow this plan:
- This week: Find one gap in your system.
- This month: Fix it and measure the result.
- This quarter: Review and refine.