[57442] in North American Network Operators' Group

home help back first fref pref prev next nref lref last post

Re: Dual node vs "Reliable IP" Architecture

daemon@ATHENA.MIT.EDU (Peter E. Fry)
Thu Apr 10 11:42:08 2003

Date: Thu, 10 Apr 2003 10:41:43 -0500
From: "Peter E. Fry" <pfry@swbell.net>
To: nanog@nanog.org
Errors-To: owner-nanog-outgoing@merit.edu


Brandon Ross wrote:

> I've always found that these types of papers and products always miss one
> big area of failure, at least in my experience.  What happens when the
> highly redundant device is skewered by a fork lift?  Yes, I've had this
> happen.  At least if you have a dual router config, and separate those
> routers physically, you have a chance of surviving such problems.

  Apparently your skeweree was insufficiently armored -- an obvious
design flaw.
  Where do you draw the line?  Probability trees aside, you design your
system and take your chances.

Peter E. Fry

home help back first fref pref prev next nref lref last post