DNS at Facebook

on YouTube ↗44m

" summary

Overview of how Facebook uses DNS for traffic balancing and load distribution, including the role of Facebook’s DNS infrastructure in that process. Explains how DNS resource records are propagated into Facebook’s global infrastructure and describes how DNS is used to support internal dogfooding (testing on internal users).

AI-written summary · about

" chapters (16)

1. 0:00Welcome
2. 1:09DNS at Facebook scale
3. 3:19Network latency issues
4. 5:07Points of presence
5. 6:36Load balancing with DNS
6. 8:46Mapper system
7. 12:38Internal DNS infrastructure
8. 15:31Changing DNS records
9. 16:55DNS record automation
10. 19:00DNS reliability
11. 21:52Statistics and monitoring
12. 23:19Dog Food concept
13. 24:22Recursive DNS problems
14. 25:25EDNS extension
15. 26:48Conclusion and future improvements
16. 27:52Q&A

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