Connecting 500 000 hosts

A bird's-eye view over IONOS' European backbone, connecting about three dozen locations in Europe.
This is not about IONOS as a company, but the engineering decisions and lessons learned
Topics are
- How we route traffic
- How DDoS attacks are mitigated
- How acquired companies are integrated working around IPv4 collisions
- Operator's notes deploying unnumbered IS-IS + SR-MPLS and MACSEC everywhere.
Speaker: David Tatlisu - IONOS SE