bucy wrote:

Pakistan Telecom then made an error by announcing that dummy route to its own telecommunications partner, PCCW, based in Hong Kong, shortly before noon New York time on Sunday, according to Renesys.

PCCW then made a second error, accepting that dummy route for YouTube and relaying it to other Internet providers around the world.

Except that everyone makes this "error." No one dutifully filters routes they accept from peers. The core point here is that anyone with a BGP feed can take anyone else out pretty much whenever.

RE: Pakistan Cuts Access to YouTube Worldwide - New York Times