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Re: [DNSOP] terminology: glue

Andrew Sullivan <ajs@anvilwalrusden.com> Tue, 05 May 2015 08:06 UTC

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Date: Tue, 05 May 2015 09:04:15 +0100
From: Andrew Sullivan <ajs@anvilwalrusden.com>
To: dnsop@ietf.org
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References: <CAEKtLiTq_OLY_aPqdntwHCQV0m64T=1wuDNRbtnLGi01bb90qw@mail.gmail.com> <04DC511C-9CFD-43CE-86DE-66E822660DFF@shinkuro.com> <5547C201.3050404@redbarn.org>
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Subject: Re: [DNSOP] terminology: glue
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On Mon, May 04, 2015 at 12:01:21PM -0700, Paul Vixie wrote:
> 
> after kashpureff, circular references are no longer allowed. XYZ.NET
> cannot have only nameservers named within within XYZ.ORG, if XYZ.ORG has
> only name servers named within XYZ.NET. that's because, due to cache
> poisoning risks, out-of-zone glue must be in-bailiwick for the delegator.

If the circle is big enough, however, it's possible to have circular
references without that actually being detected until the caches start
to expire on a Bad Day.

> i see no reason not to explain it this way in the terminology document,

I'm worried about document bloat, but I'm not unalterably opposed to
this.

A

-- 
Andrew Sullivan
ajs@anvilwalrusden.com

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