[52926] in North American Network Operators' Group
Re: Testing root server down code
daemon@ATHENA.MIT.EDU (Stephen J. Wilcox)
Wed Oct 23 14:04:49 2002
Date: Wed, 23 Oct 2002 19:04:10 +0100 (BST)
From: "Stephen J. Wilcox" <steve@telecomplete.co.uk>
To: Sean Donelan <sean@donelan.com>
Cc: nanog@merit.edu
In-Reply-To: <Pine.GSO.4.40.0210231330510.22398-100000@clifden.donelan.com>
Errors-To: owner-nanog-outgoing@merit.edu
On Wed, 23 Oct 2002, Sean Donelan wrote:
>
> The last time all the root servers were down was June 28 1985. On June 29
> 1985 there was a flurry of messages about adding root server down code to
> the various DNS implementations of the day. Apparently, some of the
> software had a poor response to all root servers being unreachable, and
> spun out of control.
>
> Has anyone tested modern DNS code (Microsoft and BIND to name two) for
> this condition recently? I haven't, hence my question.
Microsoft DNS has a poor response and can spin out of control with all root
servers available.. how would you tell the difference ;)
Steve