Re: Automatic tunnels

[Gert Doering <gert@space.net>]

Hi,

On Tue, Jul 29, 2003 at 10:23:10AM +0100, Tim Chown wrote:
> > The alternative is dual-stack, but if I would be a carrier I would be 
> > very reluctant to roll-out dual-stack software (or at least to activate 
> > it) on my routers.
> I'm curious, what do you see as the main reasons for this?

Operational errors (like "wrong IP address configured on interface" or
"routing protocol configuration things" or "correct v4 address in DNS but
v6 address wrong" or so) hit in quite surprising ways - you test, you 
run traceroute and ping, all looks fine, and then you realize that you 
traceroute'd only v4 while v6 is broken, or vice versa.

Of course all this is solveable, but it means "more room for errors",
and usually these do happen.

(We're in the process of converting the v4-only network to dual-stack,
and it's quite a challenge)

Gert Doering
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