[109151] in North American Network Operators' Group
Re: On the subject of multihoming
daemon@ATHENA.MIT.EDU (kb3ien+nanog@databit7.com)
Fri Nov 7 00:03:31 2008
Date: Fri, 7 Nov 2008 05:03:17 +0000 (UTC)
From: kb3ien+nanog@databit7.com
To: Charles Wyble <charles@thewybles.com>
In-Reply-To: <4910B14B.9010108@thewybles.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
Yes bgp multihop is a GREAT* way to figure out if a cablemodem** is even
/really/ online.
Alas, I've not see much on the traffic engineering side either.
* Read "the only way i've found to do this with cisco's ios"
** or any other pipe for that matter.
On Tue, 4 Nov 2008, Charles Wyble wrote:
> Date: Tue, 04 Nov 2008 12:32:11 -0800
> From: Charles Wyble <charles@thewybles.com>
> To: NANOG list <nanog@nanog.org>
> Subject: On the subject of multihoming
>
> I'm working on a small experiment which utilizes multiple outbound links (in
> the experiments case multiple consumer 3G connections [to 2 Sprint/2
> Verizon/1 AT&T], Time Warner Cable Modem and an SBC Global DSL connection.
>
> What is the best way to do outbound traffic engineering? I would like to be
> able to determine the best path possible and send traffic out the appropriate
> link.
>
> Could this be done with a copy of the BGP tables?
>
> Obviously as they are consumer connections, I wouldn't get a BGP feed so
> would need to download a copy, which has the risk of stale data. Perhaps some
> sort of multihop BGP setup?
>
> I have done some research and found a lot of references to small site
> multihoming without BGP for link redundancy but not for traffic engineering.
>
>
> Thanks.
>
> Charles
>
>