# Re: reply to various on URNs and URLs

John Curran (jcurran@nic.near.net)
Mon, 21 Feb 1994 09:05:10 -0500

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    Message-Id: <9402211406.AA09228@mocha.bunyip.com>

    To: William Manning <bmanning@is.rice.edu>

    Subject: Re: reply to various on URNs and URLs

    In-Reply-To: Your message of Mon, 21 Feb 1994 07:56:31 -0600.

                 <9402211356.AA16819@brazos.is.rice.edu>

    Date: Mon, 21 Feb 1994 09:05:10 -0500

    From: John Curran <jcurran@nic.near.net>

--------
] From: William Manning <bmanning@is.rice.edu>
] Subject: Re: reply to various on URNs and URLs
] Date: Mon, 21 Feb 1994 07:56:31 -0600 (CST)
]
] John, if the implementation is via DNS TXT records, then you already
] have a TTL method built in.

Implementation via DNS may be a major mistake... DNS administrative
authority realms do not overlap with URN authoirty realms, and DNS is
not exactly dynamic at this time.

But, yes, I think that we need to realize that any bindings (URN -> URL,
URC -> URL, etc.) need to have an associated lifetime set by the publisher
or we run the risk of returning information which differs from the intent.

/John

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