drm interoperability
DESCRIPTION
TRANSCRIPT
DRM InteroperabilityHMJ
I.
Interoperability and
Flexible Use
1.Personal Use Freedoms
Semiotic democracyCultural diversity and autonomy
DRM+ DMCA
1201(a): “access to a work”
1201(b): “rights of the copyright owner”
2.Interoperability
Cultural diversity, autonomyInnovation
II.
Flexible DRMs
TPM/DRM
Non-TPM DRMsTPM-enabled-DRMs
TPM/DRM4 Categories
AccessCopy
DistributionAncillary
TPM/DRM4 Categories
AncillaryIdentification metadata
WatermarksFingerprint
RELs (XrML / ODRL / CC)
TPM/DRM4 Categories
AccessConditional Access (STB)
DVD encodingContent Scramble System (CSS)
Advanced Access Content System (AACS)
TPM/DRM4 Categories
CopyAnalog Copy Protection (Macrovision)Copy Generation Management System
(CGMS)
TPM/DRM4 Categories
DistributionDigital Transmission Content
Protection (DTCP)High-bandwidth Digital Content
Protection (HDTP)
TPM/DRMSystems–
Encoding Fair Use
III.
Incompatibility
IncompatibilityXrML (REL)
IncompatibilityXrML (REL) ContentGuard
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
OMA-REL
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
OMA-RELApple
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
OMA-RELApple, Sun Microsystems
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
OMA-RELApple, Sun Microsystems, CORAL/DLNA
IncompatibilityXrML (REL) ContentGuard
ISO, MPEG 21 Microsoft
ODRL
OMA-RELApple, Sun Microsystems, CORAL/DLNA, DVB
IV.
Why?
Network EffectsStandards war pre-tipping
De Facto Standard
Breaking Deadlock
Standards&
Converters
Breaking Deadlock
Standards(open / proprietary)
• De facto• SSO
Breaking Deadlock
Converters
CORAL
Conclusions and Trends
Interoperability: Not any time soon
Conclusions and Trends
Tech. alternatives available:Converters, open standards
Conclusions and Trends
Interoperability
Flexibility
¿?
Thanks.