BGP security and confirmation biases

What this post added

This post details a specific BGP route leak incident caused by a configuration error during a network upgrade. It highlights the operational challenges of hot-cuts, the role of prefix limits as a safeguard, and the importance of BGP security protocols like RPKI and RFC8212. It also emphasizes the impact of confirmation bias on operational decision-making and the need for further network automation and training to prevent similar incidents.