Stéphane BortzmeyerComplete power failure at the Luxembourg Chamber of Commerce while I was talking about Internet robustness.
Nice map of Akamai backbone (300 Tb/s total capacity). Zero PoP in Africa.
Funny history of Akamai : the first setup had zero router (and of course zero backbone), servers were directly connected to the ISP router.
Akamai CDN Backbone Evolution
Why a CDN? When you have content and it is popular all over the world.
How to steer clients to the CDN? varying DNS responses, IP anycast, steering in the app...
Robustness costs money. Where to find it?
"Robustness fee" from the telecom operators, collected by the regulator.
Not only technical robustness but also organisational one: non-commercial body, good relation with the government, long-term goals, etc. [Internet infrastructure must not depend on startups.]
Highlights From Internet Robustness Work in Sweden
"Awareness of dependencies" [Something that many Cloiudflare users are no aware of...]
The hardware comes from https://www.hitec.lu/
emergency.lu, a mobile, satellite-based telecommunications platform
Neutral, unlike Starlink, which takes sides in armed conflicts
Deploying to Syria was an issue because of sanctions (the ground station is dual-use technology)
One possible solution is PSK (Pre-Shared Keys) as used in IEEE's MACsec.
RFC 8784 is another example (with "post-quantum" in the title for marketing reasons)
Or real Post-quantum cryptography. (Not yet standardised in IPsec/IKE.)