Deep dives into the protocols that power the internet.
Data doesn't always go from one point to another. Learn the four fundamental ways information travels across a network.
A single mistake by an ISP can reroute traffic for the entire world. Learn how BGP hijacking happens and why RPKI is our only hope.
Not all cyber attacks are about stealing data. Some are about shutting you down. Learn how DDoS attacks work and how to survive them.
Why are some websites fast everywhere? Learn how Content Delivery Networks (CDNs) cache your data in hundreds of cities worldwide.
ICMP doesn't carry web pages or files. It carries messages about network health. Learn the protocol behind ping and traceroute.
While IP addresses change, your MAC address stays with the hardware. Learn why this identifier is crucial for local network traffic.