On Wed, 5 Sep 2012, Paul Hoffman wrote:
Date: Wed, 5 Sep 2012 12:31:38
From: Paul Hoffman <[email protected]>
Cc: [email protected]
To: Stephane Bortzmeyer <[email protected]>
Subject: Re: [dns-operations] Pinging the root name servers to check my
connectivity?
On Sep 5, 2012, at 2:13 AM, Stephane Bortzmeyer <[email protected]> wrote:
But I wonder what would happen if every small network with an OpenWRT
router and Nagios starts pinging them every minute. Is it a reasonable
use?
No, absolutely not. The "tragedy of the commons" problems are *way* more
important than your tech support issues.
Do the root name servers operators have an opinion about that? Is
there a better alternative?
Yes: spend $50/year for a hosted web server and use that. You pay for your own
traffic. There is no way to have this scale to the Internet.
Note that with dnssec-triggerd, a similar thing happens, although this
is a little more relevant as we're testing proper DNS connectivity. One
of the reasons for using the root nameservers for this test, is that
it's a good indication whether DNSSEC is filtered or not, and it does not lead
to
a single point of failure when using our own dedicated server(s).
Regardless of this case, with the stubs doing more resolving/validating
themselves, the root servers are going to see a higher load. I think
that's unavoidable. I'm assumming the anycast clouds grow faster then
demand?
Paul
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