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.