interestingly, some software vendors ship w/ license
keys tied to IP addresses... particularly for enterprise
level stuff. not so easy to update in my experience.
I've always thought that practice to be STUPID. It was
stupid 15 years ago and it is still stupid today. Yes
I've had to renumber sites with keys tied to IP addresses.
then there is the thorny DNS problem of updating the
root hints file. If DNS is so automated, why is this
still a big problem? (noting that the legacy address
for "B" is still getting 300qps, nearly three YEARS
after it was turned down)
Once we get the root, net and root-server.net signed, writing
out new hints is can be done with a high degree of assurance
that the contents reflect reality. Sure there will still
be old boxes that continue to try to talk to B but the new
boxes won't and eventually all the old boxes will go, due
to component failure if nothing else.
David is correct, scale does have its own set of renumbering
problems. While i believe you, i think your confidence
is based on some naieve assumptions.
I'm not saying scale doesn't have problems. Automation
however is the solution to those problems. That's why
management stations were invented.
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: Mark_Andrews(_at_)isc(_dot_)org
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