The fun part of BGP is they apparently make a lot of use of it within their network, not just advertising routes externally. https://engineering.fb.com/2021/05

The fun part of BGP is they apparently make a lot of use of it within their network, not just advertising routes externally. https://engineering.fb.com/2021/05/13/data-center-engineering/bgp/ https://engineering.fb.com/2021/05/13/data-center-engineerin... (and yes, fb.com resolves)