All the Gs, part 1: Governing the radio spectrum
To understand broadband cellular network technology, it’s important to appreciate the history of the radio spectrum.
Introducing REx: A new approach for the Internet Directory
Say hello to REx! APNIC’s new tool provides comprehensive data on Internet numbers in the Asia Pacific.
Basic routing concepts, part 4: NATs aren’t evil
The fourth part in this series examines how NATs work and why they have become a necessity.
Basic routing concepts, part 3: Trust but verify BGP
The third post in this series examines the risks in BGP that make it important to ‘trust but verify’.
Basic routing concepts, part 2: BGP is just harnessing gossip
Is BGP one giant, global network of gossip about routes?
Basic routing concepts, part 1: Prefixes
Prefixes are fundamental to routing. How do they work?
A brief history of the RFC format
No overstriking allowed! Why do RFCs have such strict text requirements?
Twitter has introduced ROA. What does this change?
Twitter has begun Route Origin Authorization. Here’s what that actually means.
What’s ‘interop testing’ and why is it so tricky?
What happens when two people correctly read the same RFC yet their implementations of that protocol still differ?
What’s your wish list for the perfect RPKI validator?
There are many RPKI validators to choose from. If you could mix and match features, what would your ideal validator look like?