2021-10-12

[public] 87.9K views, 36.6K likes, 59.0 dislikes audio only

Ben Eater

Facebook was down for five hours last week. What happened and what do DNS and BGP have to do with it?

Facebook's explanation: https://engineering.fb.com/2021/10/05/networking-traffic/outage-details/

Support these videos on Patreon: https://www.patreon.com/beneater or https://eater.net/support for other ways to support.

0:00 DNS

7:13 Caching DNS

10:34 Hop-by-hop routing

14:07 Default-free routing

18:28 Peering

19:50 BGP

26:08 The outage

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