[IETF-IDRM] Fwd: MPEG-21 (was Re: [IDRM] DRM Taxonomy work -- drm framework...)

[Thomas Hardjono]

>Date: Tue, 22 May 2001 10:21:17 -0400
>From: Jason Petrone <jpetrone@cnri.reston.va.us>
>Subject: MPEG-21 (was Re: [IDRM] DRM Taxonomy work -- drm framework...)
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>On Mon, May 21, 2001 at 05:17:22PM -0400, Thomas Hardjono wrote:
> > Can you elaborate more on these 4 broad requirements from MPEG21?
>
>I must admit, I haven't been following MPEG-21 too closely, but I will do
>my best to explain.
>
>Keep in mind that it is still a work in progress, and is more reflective of
>requirements than actual solutions.
>
>Identification: Content items are each assigned unique identifiers.  This
>                 serves the same purpose as ISBNs for books and ISSNs for
>                 periodicals.  Identification is a vital first step for the
>                 management of any kind of content.
>
>Description   : The MPEG-21 working group is putting together a schema which
>                 can be used to express intellectual property metadata.  I
>                 think this is something like http://www.indecs.org/.  The
>                 working group intends to also define standard access methods
>                 for retrieving identifiers and descriptions(i.e. some kind
>                 of registry I suppose).
>
>Management    : This deals with content delivery, physical format
>                 interoperability, payment/subscription models, etc.
>
>Protection    : My understanding is that this area addresses consumer privacy,
>                 and technologies like watermarking and encryption.
>
>
>Jason