[dns-operations] requirements for TLD servers

[Kim Davies]

On 22/03/2010, at 9:43 AM, Alexander Mayrhofer wrote:

There's not much chance of that. The DNS requirements in
ICANN's gTLD
contracts are rather low: a brush from a feather rather than a
pummelling.

Have you looked at the new gTLD documents yet? Those are requiring 100%
uptime for the "service" (defined as at least 2 out of the set of
authoritative nameserver ip addresses have service), *plus* 99.9% of
uptime for each and every ip address per month (which is 43 minutes of
outage).

So, for the sake of clarity, it is probably worth pointing out there are several different name server requirements under the auspices of ICANN:

1. Requirements on all TLDs

These are designed to be absolute minimum criteria, and are checked by IANA staff in implementing root zone change requests. They are listed at http://www.iana.org/procedures/nameserver-requirements.html. These are clearly not designed to be best practice, rather a set of objective baseline criteria that can be checked to identify configuration problems or errors in intent.

2. Requirements on existing gTLDs

These are spelled out in the individual contracts that existing gTLD operators have with ICANN. See, for example, Section 7 of http://www.icann.org/en/tlds/agreements/tel/appendix-7-07apr06.htm

3. Proposed requirements for future gTLDs

These are those mentioned by Alexander, which are still in draft and subject to change (and of course, feedback is welcome on revising them, if they are not considered appropriate).

kim
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