[75495] in North American Network Operators' Group
RE: The Cidr Report
daemon@ATHENA.MIT.EDU (Randy Bush)
Sat Nov 13 19:39:37 2004
From: Randy Bush <randy@psg.com>
Date: Sat, 13 Nov 2004 16:38:29 -0800
To: Geoff Huston <cidr-report@potaroo.net>
Cc: "Roldan, Brad" <broldan@Covad.COM>,
"Christopher L. Morrow" <christopher.morrow@mci.com>,
<nanog@merit.edu>, <eof-list@ripe.net>, <apops@apops.net>,
<routing-wg@ripe.net>, <afnog@afnog.org>, <swinog@swinog.ch>
Errors-To: owner-nanog-outgoing@merit.edu
> Interestingly enough what Covad appears to be saying is:
>
> If we had a way to announce two things
>
> 1 - here are the advertisements for covering aggregates for Covad
>
> AND
>
> 2 - do not believe any more specifics for these address blocks, as they are
> NOT part of Covad's routing policy for these prefixes
>
> then we would not be seeing this unfortunate case of unauthorized route
> leakage being resolved in a way that seems to have unfortunate bgp
> implications in terms of more specifics appearing.
>
> So its an interesting question. How could Covad achieve a routing policy
> announcement of the form as stated in 2 above?
register the covering prefixes in the irr and folk should filter.
folk who don't filter are welcome to the results. i encourage my
competitors not to filter.
randy
