# Using DNS names for URN naming authorities

Larry Masinter (masinter@parc.xerox.com)
Wed, 9 Jun 1993 10:35:17 PDT

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    To: uri@bunyip.com

    Subject: Using DNS names for URN naming authorities

    From: Larry Masinter <masinter@parc.xerox.com>

    Message-Id: <93Jun9.103525pdt.56496@icanabula.parc.xerox.com>

    Date: 	Wed, 9 Jun 1993 10:35:17 PDT

> This suggests strongly that the naming authority should
> be refered to, in a a URN, by its address in DNS space.

> URN = fqdn / opaque-part

> (I guess you _could_ say that the naming authorities are
> a separate space, and that the domain name of a suitable
> server is achieved by a well-known transformation to a FQDN,
> but that is a matter of nomenclature not engineering.)

The fundamental problem is that DNS names aren't permanent. I'd like
naming authorities to be valid for at least 100 years. DNS names can
get recycled.

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