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| I don't know how formal NANOG meetings [are]

Very formal. Wear a suit.

Sean.

is this a joke ? I will attend for the first time. Someone tell me, so I don't make an ass out of myself with sneakers, T-shirt and baseballcap worn backwards :)

bye,Kai

Sean wasn't wearing the baseball cap backwards last time I saw him at NANOG, but otherwise, you just described his attire. Owen