Basic routing concepts, part 2: BGP is just harnessing gossip
Is BGP one giant, global network of gossip about routes?
Tag: routing
Basic routing concepts, part 1: Prefixes
Prefixes are fundamental to routing. How do they work?
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?
RPKI invalids are not going away
Guest Post: How do we fix invalid RPKI routes and whose job is it?
Some handy ROA advice from Randy Bush
Simple yet crucial ways to ensure your ROAs are functioning as they should.
RPKI rollout at Hurricane Electric
Guest Post: What we can learn from a major rollout, and the current state of RPKI.
What are ping and traceroute, really?
We often use ‘ping’ in conversation. What exactly is it, anyway?
No, the Internet was not ‘down’
The 8 June 2021 disruption wasn’t an infrastructure issue.
Storing and retrieving IP prefixes efficiently
Guest Post: Searching for the perfect data structure to store and retrieve a full table of IP prefixes, while maintaining the hierarchical relations.