In simple terms, anycast is just a route with multiple next-hops. More generally it's the routing method that allows a single IP address to be routed to multiple endpoints. While seemingly basic enough, it allows for some really interesting network use cases. It's also hard to experiment with in a…
One of the big problems with the internet is that not everyone follows the RFCs. Worse still, purely running a RFC-compliant BGP daemon does nothing to prevent route leaks. BGP is an inherently trusting protocol that can cause huge issues for others on the internet if you configure it wrong.…
RPKI (Resource Public Key Infrastructure) is the primary response to the issue of BGP hijacks on the internet. It works by cryptographically verifying that a network is authorized to announce a given route. Internet Exchange Points (IXPs) are typically assigned globally unique prefixes in order to keep members in the…
My requirements in a router are a bit unique. I run most of my services out of a single rack in a single location. At the same time, some services are spread out around the world on edge nodes. I also strive to maintain a flexible and expandable network topology…
For some of us the internet is the thing we use to post photos, chat with friends, and more recently, going to work or school on Zoom. For others, it might be the Ethernet port at the back of your modem. But how does it get there? Where does it…
I've enjoyed the backend side of web development far more than frontend for a while now. The monotony of CSS combined with the weird type system of JS makes creating a modern frontend quite a chore. Though recently after a conversation with a few friends, I decided to give it…