1. OCLC Online Computer Library Center Digital Preservation with OCLC Digitization Standards: Issues & Updates Taylor Surface, OCLC

2. OCLC Online Computer Library Center Your digitization project … Grant funding, limited time Volumes of files & data Grad students, volunteers, staff TIFF, JPEG, GIF, BMP Where to put those master files? Web layout Online!

3. OCLC Online Computer Library Center Time marches on …

4. OCLC Online Computer Library Center Daily operations  Users request reprints  Servers are replaced  Collection is expanded  An image file is corrupted  Software is upgraded  A hard disk fails … what happened to those master files?

5. OCLC Online Computer Library Center What’s needed here?  Track master file location  Associate master with access copy  Manage master file storage  Prepare for future uses  Limited staff time for these functions

6. OCLC Online Computer Library Center A practical example …  Registry of Digital Masters  Digital Archive for Digital Masters

7. OCLC Online Computer Library Center Registry of Digital Masters Coordination Trust Discovery

8. OCLC Online Computer Library Center COORDINATION INTENT AVAILABILTY

9. OCLC Online Computer Library Center TRUST – “Use copy”  Persistent URI  Terms & conditions for access  Special instructions  Technical information  Non-standard application

10. OCLC Online Computer Library Center TRUST – “Master copy”  Creation standards  Data format  Repository practices  Persistent ID  Terms & conditions for access

11. OCLC Online Computer Library Center DISCOVERY

12. OCLC Online Computer Library Center Digitization Workflow

13. OCLC Online Computer Library Center OCLC Digital Archive … for digital masters  Co-developed with …  OCLC Preservation Services  Various digitization projects  Preservation master files  Managed storage & preservation  Recovery  Re-use

14. OCLC Online Computer Library Center OCLC Digital Archive  On-site and offsite backups  Ongoing virus and fixity checks  Migration of media on which bits are stored  Disaster recovery Managed Storage & Preservation

15. OCLC Online Computer Library Center Digitization Workflow masters Digital Archive

16. OCLC Online Computer Library Center Villanova University  The Irish Press – Newspaper  Dedicated to Irish Nationalism  1918 -1922  Preserved  Filmed  Digitized  Archived

17. OCLC Online Computer Library Center DISCOVERY

18. OCLC Online Computer Library Center Know where the costs are! The usual comparisons …  CD = $0.60 per Gigabyte  DLT tape = $15 per Gigabyte  PC hard-drive = $6 per Gigabyte (and you get a PC too!) The hidden issues …  Operational costs?  Associated systems?  Accessible in one, two, ten years?

19. OCLC Online Computer Library Center More information Registry of Digital Masters: www.diglib.org/collections/reg/reg.htm Digital Archive: www.oclc.org/digitalarchive Me: taylor_surface@oclc.org

20. OCLC Online Computer Library Center Digital Preservation with OCLC Digitization Standards: Issues & Updates Taylor_surface@oclc.org