According to several reports, the entire internet became unstable last night for about an hour. Ordinary denizens of the web noticed somewhat, but it really got the attention of network operators. Renesys has an excellent description of what happened which I found both entertaining and explanatory, but here is the quick version.
A small ISP in the Czech republic called SuproNet made a small, somewhat silly change to the configuration of its routers, which then propagated the change to its neighbors. Routers being routers, they did one of two things: [Read more →]