[170339] in North American Network Operators' Group

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Re: misunderstanding scale

daemon@ATHENA.MIT.EDU (John Levine)
Wed Mar 26 13:22:17 2014

Date: 26 Mar 2014 17:10:10 -0000
From: "John Levine" <johnl@iecc.com>
To: nanog@nanog.org
In-Reply-To: <CALgnk9q073UqyCG-fjb6MD-p77hHkidFYnu26sbM9GFYmAXsaw@mail.gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

>It only takes a single entry if you do not store /128s but that /64. Yes,
>RBL lookups do not currently know how to handle this, but there are a
>couple of good proposals around on how to do it.

Sigh.  See previous note on wny aggregating on /64 won't work.

>This would also reduce the risks from cache depletion attacks via DNSxL
>lookups to IPv4 levels.

Sigh.  See previous note on wny aggregating on /64 won't work.

R's,
John


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