[dns-operations] Hearing first complains about failing internal resolving due to .prod TLD

Daniel Kalchev daniel at digsys.bg
Mon Sep 15 07:32:29 UTC 2014

On 13.09.14 17:54, Phillip Hallam-Baker wrote:
> On Thu, Sep 11, 2014 at 9:12 PM, Paul Hoffman <paul.hoffman at vpnc.org> wrote:
>> On Sep 11, 2014, at 4:27 PM, Paul Vixie <paul at redbarn.org> wrote:
>>> for the time being, and perhaps for a long time to come, the
>>> people who call the presence of .PROD a bug and/or depend on its absence
>>> as a feature, outnumbers and will outnumber the people who call it a
>>> feature or who will call its absence a bug.
>> How do you measure that? This is a serious question, one that affects DNS operators. If you have a way of determining how many enterprises are negatively affected as a new gTLD rolls out, that would be very useful information.
> My advice to enterprises is to consider the following:
> Let the value to your enterprise of resolving the new domains be X
> Let the value at risk due to resolving the new domains be Y
> Let the cost of disabling new domain resolution be Z
> If Y > X-Z  then the obvious choice is to turn off resolution of new domains.
> Since X and Z are both zero the choice is obvious.

However nice this sounds in theory, the reality is that you can never
tightly control name resolution. Of course, you could try to control it,
and that attempt too has it's costs, which you should add to the right
part of the expression.These costs are far from zero.


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