In this episode, I go through the Facebook detailed article regarding their October 4th, 2021 outage and discuss it in length. enjoy

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

0:00 Introduction on Facebook Networking Architecture
12:00 The Cause of the Outage
17:00 What’s DNS
23:00 DNS Servers disabled BGP ads
27:00 Could the outage have been prevented?
32:00 Why did it take so long?
38:00 Why you can’t just flip everything on
41:30 Summary

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