[88792] in North American Network Operators' Group
Re: Disaster recovery using as-prepend?
daemon@ATHENA.MIT.EDU (Christopher L. Morrow)
Fri Feb 17 22:50:49 2006
Date: Sat, 18 Feb 2006 03:50:20 +0000 (GMT)
From: "Christopher L. Morrow" <christopher.morrow@verizonbusiness.com>
In-reply-to: <D8AF583B-DE04-4385-A29D-EE4C997B7350@kumari.net>
To: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
On Fri, 17 Feb 2006, Warren Kumari wrote:
> On Feb 17, 2006, at 1:25 PM, Christopher L. Morrow wrote:
>
> > I might be crazy, but couldn't you just prepend the route enough to
> > effectively poison it at ingress to 'backup-isp' ? so they kept
> > chosing
> > the remote path and never really accept the route from local until the
> > remote path is gone?
> >
>
> Not really - horrendous ASCII art below:
>
> Customer
> / \
> / \
> ISP_A ---------ISP_B
> \ /
> \ /
> DC1 DC2
>
see, I knew I was crazy :( where is that halabi book when I needed it. Did
the original poster ever say if he/she was able to accept
incidental traffic to the backup DC ?
