1. DAITSS: Dark Archive in the Sunshine State
Priscilla Caplan,
Florida Center for Library Automation
DCC Workshop on Long-term Curation within Digital Repositories
Cambridge, July 2005

2. DCC Workshop on Long-Term Curation, July 2005

3. DCC Workshop on Long-Term Curation, July 2005
State Universities
FCLA
DCC Workshop on Long-Term Curation, July 2005

4. DCC Workshop on Long-Term Curation, July 2005
Designed as a “dark archive”
Preservation repository functions only
Based on OAIS functional architecture
PREMIS conformance (Partly)
Format migration and normalization
Redundant redundancy
DCC Workshop on Long-Term Curation, July 2005

5. Designed as a “dark archive”
DCC Workshop on Long-Term Curation, July 2005

6. DCC Workshop on Long-Term Curation, July 2005

7. No real-time online access No access to external users
Dissemination by request
DCC Workshop on Long-Term Curation, July 2005

8. Preservation repository functions only
DCC Workshop on Long-Term Curation, July 2005

9. DCC Workshop on Long-Term Curation, July 2005
Documentation
Understandability
Authentication
Authenticity
Format strategies
Renderability
Media management
Viability
Secure storage
Integrity
Description
Identity
Capture
Selection
Availability
Preservation Pyramid
DCC Workshop on Long-Term Curation, July 2005

10. DCC Workshop on Long-Term Curation, July 2005
Documentation
Understandability
Authentication
Authenticity
Format strategies
Renderability
Media management
Viability
Secure storage
Integrity
DAITSS
Description
Identity
Capture
Selection
Availability
Preservation Pyramid
DCC Workshop on Long-Term Curation, July 2005

11. Based on OAIS functional architecture
DCC Workshop on Long-Term Curation, July 2005

12. OAIS Functional Architecture
DCC Workshop on Long-Term Curation, July 2005

13. DAITSS Functional ArchitectureB R A Y
Reporting L I B R A Y
Mgmt DB
SIP
Ingest
Access
AIP
DIP
Storage
management

14. PREMIS conformance (partly)
DCC Workshop on Long-Term Curation, July 2005

15. DCC Workshop on Long-Term Curation, July 2005
PREMIS DATA MODEL
Intellectual
Entities
Rights
OBJECTS:
Representations
Files
Bitstreams
Agents
Events
DCC Workshop on Long-Term Curation, July 2005

16. DCC Workshop on Long-Term Curation, July 2005
DAITSS DATA MODEL
Intellectual
Entities
OBJECTS:
Representations
Files
Bitstreams
Events
DCC Workshop on Long-Term Curation, July 2005

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18. Format migration and normalization
DCC Workshop on Long-Term Curation, July 2005

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Format treatment
Treatment based on background reports and action plans
Recognized formats can get full preservation treatment
Files are normalized on Ingest if possible
Files are migrated on Ingest if necessary
Files can be migrated by Disseminating and re-Ingesting
AIFF 1.3
AIFF-C 1.0
JFIF 1.02
PDF 1.2 – 1.6
Plain text
TIFF 5.0, 6.0
WAVE
XML 1.0
XML DTD 1.0
In process
JPEG2000
AVI
MPEG, pcm
DCC Workshop on Long-Term Curation, July 2005

20. DCC Workshop on Long-Term Curation, July 2005
Redundant redundancy
DCC Workshop on Long-Term Curation, July 2005

21. DCC Workshop on Long-Term Curation, July 2005
Creating multiple master copies of files
Calculating two message digests
Storing metadata as XML and in RDBMs
Normalizing files when possible
Always retaining original packages as submitted
DCC Workshop on Long-Term Curation, July 2005

22. DCC Workshop on Long-Term Curation, July 2005
Next steps for DAITSS
Finish programming
Dissemination
Forward migration
Go into full production in the FCLA Digital Archive
Implement at a few partner institutions
Release as Open Source Software
Continue adding support for more formats
Make fully PREMIS-compliant
DCC Workshop on Long-Term Curation, July 2005

23. Next steps for the FCLA Digital Archive
Implement DAITSS in full production
Retrospective
Prospective
Investigate repository certification
Test exchange of packages with other repositories
Collect cost data and model cost recovery
DCC Workshop on Long-Term Curation, July 2005

24. DCC Workshop on Long-Term Curation, July 2005
For more information
DCC Workshop on Long-Term Curation, July 2005