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Re: Impending publication: draft-iab-dns-assumptions-02.txt

2005-03-05 19:31:17

On Mar 5, 2005, at 7:39 AM, Florian Weimer wrote:

I think this summary is misleading, given that the document is silent
on a very important issue: standards which attach special semantics to
parts of the DNS tree.  By "special semantics" I mean special stub
resolver or resolver which is triggered by the appearance of some
magic labels or domain names, indepedent of actual zone data.  (An
extreme example: "Resolvers MUST return the address 192.0.2.1 for IN A
queries of the name www.example.com.")

This is extremely annoying for those who use Internet technology on
private networks.  Publishing such a document and not addressing this
class of mistakes could mean that the IAB even endorses such poor
standards.

I see this document as addressing applications (or more generally, automata) that assign special meaning to DNS names where those meanings are not specified by the standards. It's intended for implementors.

To the extent that standards should not assign special meanings to DNS names (or subtrees) I suspect that belongs in a different document.

Keith


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