[106847] in North American Network Operators' Group
Re: Public shaming list for ISPs announcing other ISPs IP
daemon@ATHENA.MIT.EDU (Danny McPherson)
Thu Aug 14 23:34:09 2008
From: Danny McPherson <danny@tcb.net>
To: =?ISO-8859-1?Q?Jean-Fran=E7ois_Mezei?= <jfmezei@vaxination.ca>
In-Reply-To: <48A4ECFC.5030109@vaxination.ca>
Date: Thu, 14 Aug 2008 21:32:21 -0600
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
On Aug 14, 2008, at 8:42 PM, Jean-Fran=E7ois Mezei wrote:
> Pardon my ignorance here, but wouldn't it be much simpler if the so
> called "tier 1" networks were to do the filtering work so that none of
> downstream BGP peers would see the bad announcements ?
>
> If some network in italy sends out some bogus route for a site, this
> should be blocked by a few tier 1 networks instead of by everybody at
> the bottom of the tree. Yeah, that would mean that folks in italy and
> whoever would have direct connections to that italian network would
> accept those bad BGP announcements, but the rest of the world would
> continue to work.
Fine idea - how do they build these filter lists?
> "tier 1" networks like to brag about their importance within the
> internet, perhaps filtering bad announcments should be a =20
> responsability
> assigned to them, and which would further differentiate them from =20
> lesser
> networks.
Tragedy of the commons...
-danny
