What Happens When Routers Go Wrong?

On the most basic of levels, when your router goes wrong you lose the internet: no more porn, no more kittens, nor more Facebook. But what, exactly, is going wrong to make your life so empty?

In this video, Dr Richard Mortimer from the University of Nottingham explains how routers work — and how they go wrong. He also explains the (rather amusing) case of what happened when a government censorship exercise screwed up its routing and brought down YouTube. Oops. [Computerphile]

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