Re: Rate of growth on IPv6 not fast enough?

[William Herrin <bill () herrin us>]

On Tue, Apr 20, 2010 at 9:34 PM, Karl Auer <kauer () biplane com au> wrote:
> On Tue, 2010-04-20 at 12:59 -0700, Owen DeLong wrote:
> > On Apr 20, 2010, at 12:31 PM, Roger Marquis wrote:
> > > NAT _always_ fails-closed
> > Stateful Inspection can be implemented fail-closed.
>
> Not to take issue with either statement in particular, but I think there
> needs to be some consideration of what "fail" means.

Fail means that an inexperienced admin drops a router in place of the
firewall to work around a priority problem while the senior engineer
is on vacation. With NAT protecting unroutable addresses, that failure
mode fails closed.

Regards,
Bill Herrin



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