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Re: permanent URIs for media

From: Roy T. Fielding <fielding@gbiv.com>
Date: Sun, 6 Jun 2010 13:09:26 -0700
Cc: <www-tag@w3.org>
Message-Id: <C85CEA48-89D7-4FE3-A947-A01023341D11@gbiv.com>
To: Larry Masinter <lmm@acm.org>
On Jun 6, 2010, at 10:28 AM, Larry Masinter wrote:

> XMP uses GUID-based URIs for referencing content. It is assumed that there is
> a system/index which can be used to discover content if all you have is the

Just out of curiosity, what algorithm is used to generate these GUIDs.
Most GUID algorithms I have looked at are either machine-specific UUIDs
or do not produce globally unique strings beyond a 12 or 20 year horizon.
That is "good enough" for almost all applications, but not all long-term
document repositories.

Received on Sunday, 6 June 2010 20:10:21 UTC

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