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DRM Interoperability

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DRM Interoperability

  1. 1. DRM Interoperability HMJ
  2. 2. I.
  3. 3. Interoperability and Flexible Use
  4. 4. 1. Personal Use Freedoms Semiotic democracyCultural diversity and autonomy
  5. 5. DRM+ DMCA 1201(a): “accessto a work” 1201(b): “rights of the copyright owner”
  6. 6. 2. InteroperabilityCultural diversity, autonomy Innovation
  7. 7. II.
  8. 8. Flexible DRMs
  9. 9. TPM/DRM Non-TPM DRMsTPM-enabled-DRMs
  10. 10. TPM/DRM4 Categories Access Copy Distribution Ancillary
  11. 11. TPM/DRM 4 CategoriesAncillary Identification metadata Watermarks Fingerprint RELs (XrML / ODRL / CC)
  12. 12. TPM/DRM 4 CategoriesAccess Conditional Access (STB) DVD encoding Content Scramble System (CSS) Advanced Access Content System (AACS)
  13. 13. TPM/DRM 4 CategoriesCopy Analog Copy Protection (Macrovision) Copy Generation Management System (CGMS)
  14. 14. TPM/DRM 4 CategoriesDistribution Digital Transmission Content Protection (DTCP) High-bandwidth Digital Content Protection (HDTP)
  15. 15. TPM/DRM Systems–Encoding Fair Use
  16. 16. III.
  17. 17. Incompatibility
  18. 18. IncompatibilityXrML (REL)
  19. 19. IncompatibilityXrML (REL) ContentGuard
  20. 20. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21
  21. 21. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft
  22. 22. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL
  23. 23. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL OMA-REL
  24. 24. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL OMA-RELApple
  25. 25. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL OMA-RELApple, Sun Microsystems
  26. 26. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL OMA-RELApple, Sun Microsystems, CORAL/DLNA
  27. 27. IncompatibilityXrML (REL) ContentGuard ISO, MPEG 21 Microsoft ODRL OMA-RELApple, Sun Microsystems, CORAL/DLNA, DVB
  28. 28. IV.
  29. 29. Why? Network EffectsStandards war pre-tipping De Facto Standard
  30. 30. Breaking Deadlock Standards & Converters
  31. 31. Breaking Deadlock Standards(open / proprietary) • De facto • SSO
  32. 32. Breaking Deadlock Converters CORAL
  33. 33. Conclusions and Trends Interoperability: Not any time soon
  34. 34. Conclusions and TrendsTech. alternatives available:Converters, open standards
  35. 35. Conclusions and Trends Interoperability Flexibility ¿?

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