[IETF-IDRM] Fwd: RE: [IDRM] DRM Taxonomy work -- drm framework...

Thomas Hardjono thardjono@mediaone.net
Wed, 23 May 2001 14:29:09 -0400


>From: Rob Koenen <rkoenen@intertrust.com>
>To: Thomas Hardjono <thardjono@mediaone.net>,
>    Jason Petrone
>         <jpetrone@cnri.reston.va.us>, ietf-idrm@lists.elistx.com
>Subject: RE: [IDRM] DRM Taxonomy work -- drm framework...
>Date: Tue, 22 May 2001 16:26:20 -0700
>X-Mailer: Internet Mail Service (5.5.2653.19)
>
>I think the best way to do this is to study the
>MPEG-21 technical report.
>
>Please go to www.cselt.it/mpeg and look in the section
>Not News.
>
>I am offline now, so I cannot give the direct link.
>
>Rob
>
> > -----Original Message-----
> > From: Thomas Hardjono [mailto:thardjono@mediaone.net]
> > Sent: Monday, 21 May, 2001 14:17
> > To: Jason Petrone; ietf-idrm@lists.elistx.com
> > Subject: Re: [IDRM] DRM Taxonomy work -- drm framework...
> >
> >
> >
> > Hi,
> >
> > Can you elaborate more on these 4 broad requirements from MPEG21?
> >
> > It would be useful, as there seems to be several DRM-related
> > groups in different sectors of the Internet industry.
> >
> > The last two (management and protection) sounds interesting and
> > relevant to IDRM.
> >
> >
> > cheers,
> >
> > thomas
> > ------
> >
> >
> > At 5/21/01||10:25 AM, Jason Petrone wrote:
> >
> >
> > >The prerequisites for end-to-end DRM need to be defined.
> > MPEG-21 outlines
> > >four broad requirements for DRM:
> > >
> > >Identification
> > >Description
> > >Management
> > >Protection
> > >
> > >These sound right to me, though it still leaves the
> > difficult task of defining
> > >each in a general sense, and not just for motion pictures.
> > >
> > >Jason
> >