Discuss mailing list

[opennic AT lewman.us]

On Tue, 14 Aug 2012 22:16:02 -0600
Jeff Taylor <shdwdrgn AT sourpuss.net> wrote:
> There are three situations that should be addressed.  The first is
> when the server simply stops responding to DNS queries, and appears
> to have gone offline completely.  Of course not everyone monitors
> their servers on a daily basis, and there could be situations such as
> when the admin goes on vacation.  There could also be issues with
> their internet provider.  In most cases, I would expect the admin to
> at least notify the mailing list if there is an extended problem that
> they are trying to fix.  However when there are no notifications and
> the admin cannot be contacted, I would like to propose that their
> server be automatically removed after 14 days.

14 days is generous. Most DNS issues are measured in 1-2 days.

> The second situation is when the server is online, but failing some of
> the zone tests.  Again there are a lot of factors to consider, but the
> concern is that their server is not responding reliably to all
> queries, and users of that server will not be able to reach all
> OpenNic domains. This situation has more pitfalls, but in the end it
> comes down to making sure the users get the answers that they
> expect.  So I would also propose a 14-day grace period for this
> situation.

Sounds good. 

> The third situation is overall reliability.  If a server only answered
> queries 50% of the time, you wouldn't want to use it.  Because we are
> recording test results for each server, we can create a historical
> profile to rate the reliability.  I think the easiest way to score a
> server would be to check the percentage of passes over the last X
> days. So how many days do we want to look at, and at what percentage
> do we consider the server unreliable?  As an initial starting point
> (and because conflicting rules between the first and second
> situations would make programming tricky), I am going to suggest
> removal if a server drops below 66.7% in 60 days.  That is an
> extremely lenient score, but it would actually remove at least seven
> tier-2 servers immediately.

I suggest 30 days.

-- 
Andrew
http://tpo.is/contact
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