Mr. Murphy strikes back!

February 26, 2008 at 2:58 pm | Posted in Uncategorized | Leave a comment
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Murphy’s Law Strikes Again! YouTube was down for about forty-five minutes last Sunday. It all began with Pakistan banning YouTube, because it had, well, anti-islam videos. To do so, Pakistan Telecom routed the address block that YouTube’s servers are into a “black hole” as a simple measure to block access to the service. However, this routing information escaped from Pakistan Telecom to its ISP PCCW in Hong Kong, which propagated the route to the rest of the world [Remember AS7007?]. So any packets for YouTube would end up in this “black hole” instead of actually reaching YouTube’s servers..

The more involved explanation of this involves the the Border Gateway Protocol and Classless Inter-Domain Routing which I have no claim over. For the more curious, here’s more detail into what actually happened on ArsTechnica.

Oh and this is what happened in ’97
Known as the AS7007 incident [the day the internet died]. You can get the nitty gritty details here.

Surreal coincidence or it’s just Mr. Murphy’s hand in the general order of things.

Cheers,
Laks

“If there’s more than one possible outcome of a job or task, and one of those outcomes will result in disaster or an undesirable consequence, then somebody will do it that way.” – Edward A. Murphy, Jr

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