[161927] in North American Network Operators' Group
Re: Tier 2 ingress filtering
daemon@ATHENA.MIT.EDU (bmanning@vacation.karoshi.com)
Thu Mar 28 13:56:27 2013
Date: Thu, 28 Mar 2013 17:55:12 +0000
From: bmanning@vacation.karoshi.com
To: Valdis.Kletnieks@vt.edu
In-Reply-To: <53436.1364492865@turing-police.cc.vt.edu>
Cc: bmanning@vacation.karoshi.com, NANOG <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Thu, Mar 28, 2013 at 01:47:45PM -0400, Valdis.Kletnieks@vt.edu wrote:
> On Thu, 28 Mar 2013 17:16:48 -0000, bmanning@vacation.karoshi.com said:
> >
> > is there a clear understanding of "the edge" in the network operations
> > community? in a simpler world, it was not that difficult, but interconnect
> > has blossomed and grown all sorts of noodly appendages/extentions. I fear
> > that edge does not mean what you think it means anymore.
>
> For 5 9's worth of eyeball networks hanging off consumer-grade ADSL and cable
> connections, it's still the edge and still trivially filterable. If that's a
> problem, the ISP can upsell a business-class connection that doesn't filter. ;)
>
5 9s? I'll go w/ big, but this seems a stretch to me.
if true (it might be), then filtering ought be done and
catch the delta. I still posit a baseline that does not
fit this lowhanging fruit... (trill networks, L2 transparent
bridging, L2-L3-VPNs, etc.)
/bill
