Preventing route leaks made simple: BGP roleplay with Junos (RFC 9234)
Guest Post: For 35 years, accidental BGP route leaks and hijacks have been routine — a simple tweak, now defined in RFC 9234, could have prevented most of them.
Tag: BGP
IEPG at IETF 123
External ISP network disruptions, triggering QUIC, BGP path attributes, and a regional standards forum?
Recognizing IXPs as critical infrastructure
Guest Post: What happens when IXPs fail and why classifying them as critical infrastructure is a necessity.
[Podcast] A day in the life of BGP
Geoff Huston analyses a single, regular, day of BGP activity to explore what it reveals about the state and stability of global Internet routing.
[Podcast] Kentik’s view of secure BGP in 2025
Doug Madory shares insights from his 2025 analysis of secure BGP deployment around the world, based on Kentik’s internal measurements and global routing data.
The scourge of excessive AS-SETs
Guest Post: Many AS-SETs have grown so large they effectively whitelist most of the routing table, defeating their purpose. How are AS-SETs actually used for filtering, and what can be done when they get too big?
Is ‘Postel’s law’ causing protocol ‘ossification’?
A recent routing incident sparks renewed debate on protocol design, error handling, and whether Postel’s law is helping or hurting the Internet’s evolution.
A day in the life of BGP
What an ordinary Thursday reveals about Internet routing from the edge.
BGPsec — could you run it if you wanted to?
Guest Post: Evaluating the current state of BGPsec implementations with hands-on experiments.
[Podcast] DFOH, MVP, and GILL: New ways of looking at BGP
Professor Cristel Pelsser discusses GILL, a new model for BGP data collection, and the application of Machine Learning to BGP analysis.