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Re: [mif] [dhcwg] [DNSOP] [dnsext] 2nd Last Call for MIF DNS server selection document

Mark Andrews <marka@isc.org> Mon, 24 October 2011 03:57 UTC

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To: Donald Eastlake <d3e3e3@gmail.com>
From: Mark Andrews <marka@isc.org>
References: <COL118-W55403198A984BAAE44BA47B1F70@phx.gbl> <916CE6CF87173740BC8A2CE44309696203782D75@008-AM1MPN1-037.mgdnok.nokia.com> <121DABD1-65E8-4275-8471-9FA38D25C434@nominet.org.uk> <916CE6CF87173740BC8A2CE44309696203783EE0@008-AM1MPN1-037.mgdnok.nokia.com> <4EA09791.8010705@gmail.com> <C8398996-79B5-437E-82A5-6B869ECF8F4E@network-heretics.com> <94C2E518-F34F-49E4-B15C-2CCCFAA96667@virtualized.org> <12477381-9F74-4C50-B576-47EE4322F6BC@network-heretics.com> <CAH1iCiqsN-R87VK3vKityPsY+NXA=0DRASYf_vmBSy8gvYwHdQ@mail.gmail.com> <916CE6CF87173740BC8A2CE44309696203784B27@008-AM1MPN1-037.mgdnok.nokia.com> <708F3212-3C9C-4B61-AA77-EFA8F1CA5B04@nominum.com> <30B1AE01-0A35-48D2-91AF-46FC8B60466C@network-heretics.com> <4EA30EB0.6080605@dougbarton.us> <F2045A70-6314-41CF-AC3C-01F1F1ECF84C@network-heretics.com> <96472FB7-8425-4928-8F55-2ABF2CB59A93@conundrum.com> <20111023234921.6E1D915C005F@drugs.dv.isc.org> <CAF4+nEGCHVe6PCHJ-PKckc_7p-4yxQBvcO3dQzv1DdiapTfoKg@mail.gmail.com>
In-reply-to: Your message of "Sun, 23 Oct 2011 21:18:19 EDT." <CAF4+nEGCHVe6PCHJ-PKckc_7p-4yxQBvcO3dQzv1DdiapTfoKg@mail.gmail.com>
Date: Mon, 24 Oct 2011 14:57:38 +1100
Message-Id: <20111024035738.18A9915CA56E@drugs.dv.isc.org>
Cc: "<dhcwg@ietf.org>" <dhcwg@ietf.org>, "<dnsop@ietf.org>" <dnsop@ietf.org>, "<mif@ietf.org>" <mif@ietf.org>, "<dnsext@ietf.org>" <dnsext@ietf.org>
Subject: Re: [mif] [dhcwg] [DNSOP] [dnsext] 2nd Last Call for MIF DNS server selection document
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In message <CAF4+nEGCHVe6PCHJ-PKckc_7p-4yxQBvcO3dQzv1DdiapTfoKg@mail.gmail.com>
, Donald Eastlake writes:
> Hi,
> 
> On Sun, Oct 23, 2011 at 7:49 PM, Mark Andrews <marka@isc.org> wrote:
> >
> > In message <96472FB7-8425-4928-8F55-2ABF2CB59A93@conundrum.com>, Matthew =
> Pounse
> > tt writes:
> >>
> >> On 2011/10/22, at 15:21, Keith Moore wrote:
> >>
> >> >
> >> > On Oct 22, 2011, at 2:42 PM, Doug Barton wrote:
> >> >
> >> >> 1. I think we're all in agreement that dot-terminated names (e.g.,
> >> >> example.) should not be subject to search lists. I personally don't have
> >> >> any problems with any document mentioning that this is the expected
> >> >> behavior.
> >> >
> >> > agree.  however there are standard protocols for which a trailing dot in a
> >> domain name is a syntax error.
> >>
> >> Any protocol that makes a standard FQDN a syntax error is itself in erro=
> r.  N
> >> ot to say that these don't exist, but if people are writing protocols th=
> at ca
> >> n't deal with a properly formatted FQDN they need to stop.  Now.
> >
> > Except it isn't a standard hostname.  Periods *seperate* labels in
> > hostnames RFC 952.  They DO NOT appear at the end of hostnames.
> 
> Isn't there the the root label, which is the null string, at the end
> of all FQDNs, so the period at the end does separate labels?

Not in hostnames. See RFC 952.


> Thanks,
> Donald
> ==============================
>  Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
>  155 Beaver Street, Milford, MA 01757 USA
>  d3e3e3@gmail.com
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka@isc.org

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