[168786] in North American Network Operators' Group
Re: BCP38 is hard, was TWC (AS11351) blocking all NTP?
daemon@ATHENA.MIT.EDU (John R. Levine)
Tue Feb 4 18:24:39 2014
Date: 4 Feb 2014 18:24:22 -0500
From: "John R. Levine" <johnl@iecc.com>
To: "Octavio Alvarez" <alvarezp@alvarezp.ods.org>
In-Reply-To: <52F17102.2000505@alvarezp.ods.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> If ISP has customer A with multiple *known* valid networks --doesn't matter
> if ISP allocated them to customer or not-- and ISP lets them all out, but
> filters everything else, ISP is still complying with BCP 38.
Of course. The question is how the ISP knows what the customer's address
ranges are, without demanding vast amounts of nitpicky manual work on both
sides.
Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. http://jl.ly
