Re: BGP route hijack by AS10990

["Rafael Possamai" <rafael () thinkpad io>]

To your point with regards to multiple failures combined causing an outage, here's some basic reading on the Swiss 
cheese model: https://en.wikipedia.org/wiki/Swiss_cheese_model 

> From over here it looks like the legacy filter was a latent failure, and the BGP automation from the downstream peer 
> of Telia was an active failure (combined caused the outage). Now from the downstream peer's point of view, perhaps the 
> cause of their BGP automation failure was latent also, but we wouldn't know without more details.

Pretty interesting topic.