# Re: Using DNS names for URN naming authorities

Tim Berners-Lee (timbl@www3.cern.ch)
Thu, 10 Jun 93 16:43:14 +0200

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    Date: Thu, 10 Jun 93 16:43:14 +0200

    From: Tim Berners-Lee <timbl@www3.cern.ch>

    Message-Id: <9306101443.AA10515@www3.cern.ch>

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

    Subject: Re: Using DNS names for URN naming authorities

>From: Larry Masinter <masinter@parc.xerox.com>
>Date: Wed, 9 Jun 1993 10:35:17 PDT
>
>> 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.

DNS names of hosts can be recycled. But we can mandate that publisher
names aren't.

Tim

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