Re: [DNSOP] Call for Adoption draft-wkumari-dnsop-root-loopback

Evan Hunt <each@isc.org> Thu, 20 November 2014 19:27 UTC

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Date: Thu, 20 Nov 2014 19:27:13 +0000
From: Evan Hunt <each@isc.org>
To: Doug Barton <dougb@dougbarton.us>
Message-ID: <20141120192713.GB55365@isc.org>
References: <20141117071250.GA55492@isc.org> <546A73B6.2060005@dougbarton.us> <20141117225045.GA35924@isc.org> <546A873F.8060402@dougbarton.us> <546E2287.7080909@dougbarton.us> <DCE8D121-A9D7-40A6-9567-39DF6811A50F@vpnc.org> <CA+nkc8A2nnMWfOt=8w0waG0BDpR=qRBjB098fzDaU31Cv4fJ5Q@mail.gmail.com> <CF7CA3A5-6C2A-459C-8DFB-32DC3807DADE@vpnc.org> <CA+nkc8CpPvtvFqnnoTun5qds7H_nxTft2umFwznaZ2C7_-QQkg@mail.gmail.com> <546E3D66.6090402@dougbarton.us>
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Subject: Re: [DNSOP] Call for Adoption draft-wkumari-dnsop-root-loopback
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On Thu, Nov 20, 2014 at 11:13:42AM -0800, Doug Barton wrote:
> Slaving the zone into the same view/instance as the recursion has the 
> advantage that when changes happen to the data in the zone the recursive 
> view/instance will be updated as soon as it receives its copy of the 
> zone. When using a separate view for slaving the zone the recursive 
> instance will cache all of the queries it looks up. Currently the TTL 
> for DS and delegation NS records is 2 days.

Accurate summary, but as this is the same behavior as you get when using
traditional root servers, I'm not sure it makes sense to characterize
it as a disadvantage.

-- 
Evan Hunt -- each@isc.org
Internet Systems Consortium, Inc.