Re: [DNSOP] I-D Action: draft-ietf-dnsop-sutld-ps-04.txt

Ted Lemon <> Tue, 16 May 2017 19:03 UTC

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From: Ted Lemon <>
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Date: Tue, 16 May 2017 14:59:23 -0400
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To: Andrew McConachie <>
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Subject: Re: [DNSOP] I-D Action: draft-ietf-dnsop-sutld-ps-04.txt
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I think that "meaning" is more likely to be understood than "binding," although I think your technical point is valid.   Same with global/local.   I'll see if I can add some clarifying text.   Thanks for the review!

> On May 16, 2017, at 12:31 PM, Andrew McConachie <> wrote:
> On 5/15/17 10:57, wrote:
>> A New Internet-Draft is available from the on-line Internet-Drafts directories.
>> This draft is a work item of the Domain Name System Operations of the IETF.
>>         Title           : Special-Use Domain Names Problem Statement
>>         Authors         : Ted Lemon
>>                           Ralph Droms
>>                           Warren Kumari
>> 	Filename        : draft-ietf-dnsop-sutld-ps-04.txt
>> 	Pages           : 27
>> 	Date            : 2017-05-15
>> Abstract:
>>    The Special-Use Domain Names IANA registry policy defined in RFC 6761
>>    has been shown through experience to present unanticipated
>>    challenges.  This memo presents a list, intended to be comprehensive,
>>    of the problems that have been identified.  In addition it reviews
>>    the history of Domain Names and summarizes current IETF publications
>>    and some publications from other organizations relating to Special-
>>    Use Domain Names.
> The use of the term 'meaning' in this document is problematic. Meaning is something that humans do, not machines. What I believe we're actually interested in is scoping and binding. How a name is scoped and what object it gets bound to, not what it means.
> For example the text:
> "Domain Names with unambiguous global meaning are preferable to
> Domain Names with local meaning which will be ambiguous.
> Nevertheless both globally-meaningful and locally-special names
> are in use and must be supported."
> Should probably be changed to:
> "Domain Names with unambiguous global bindings are preferable to
> Domain Names with local bindings which will be ambiguous.
> Nevertheless both globally-scoped and locally-scoped names
> are in use and must be supported."
> This is more akin to how programming language designers discuss this subject.[1] I don't want to delve into the usage of 'meaning' in RFC 2826 itself, but there are a couple other uses of 'meaning' in this I-D that I believe should be removed, and I am happy to send text if people agree.
> I'm also worried that some readers of this document might interpret its use of 'global' or 'local' in a geographic sense, and not a scoping sense. But I don't know how to deal with this. Perhaps it's just a risk.
> Thank you for all your hard work on this,
> Andrew
> [1]
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