routing

Is it on topic for my blog? Maybe not, but it has come up in conversation enough times already that I think people are interested about it. So here’s a quick bunch of links for you, in case you’re curious and would like to learn more.As you may or may not have noticed (I’m guessing that you did notice) that Facebook went poof yesterday for a number of hours. Here’s the overview from Brian Krebs.The impact was broader than you might have realized. Sheera Frankel of the New York Times tweeted, “Was just on phone with someone who works for FB who described employees unable to enter buildings this morning to begin to evaluate extent of outage because their badges weren’t working to access doors.” Oof.What went wrong? Mitchell Clark of The Verge presciently joked about the gut instinct that “it’s always DNS or BGP.”And lo, it was indeed BGP. Celso Martinho…