Embracing Evanescence

1
Embracing Evanescence

• Digital Preservation 101
• By Becky Ryder
• University of Kentucky Libraries
• ETD 2004

2
Definition

• is the SUM of all activities
• Required to keep materials in USABLE condition
• For as long as they are NEEDED
• Having considered the value of the ARTIFACT and
  the information it conveys

3
Preservation Access Lifecycle

• Creation
• Prevention
• Restoration/Renewal
• Reformatting
• New Artifact

4
Analog Preservation

• First Do No Harm
• Benign Neglect
• Suitability
• Each treatment facilitates a future treatment
• Phase Preservation
• Avoid duplicative efforts
• Economy is gained by parsing/batching

5
What are the differences

• Shorter lifecycle
• Active
• Recurring Cost
• Invisible decay
• Only know it when you use it
• Disasters can destroy greater amounts of
  information

6
Components of Preservation Plan

• Mandate
• Selection
• Policy
• Standards
• Resources
• Technology

7
Digital Preservation Strategies

• Backups/Mirror Sites
• Refresh
• Migration
• Emulation
• Hybrid approaches
• Computer Museums
• LOCKSS

8
What are some of the concerns

• Loss of functionality
• Rebuilding
• Total Loss
• Loss of the creative element
• Provenance is important
• XML

9
So what are we doing?

• Panic ???
• Not making promises !!!!
• The Infrastructure is Coming, the Infrastructure
  is Coming....first cousin to the Emperor who
  wears new clothes gt )
• Good Research ?
• Cornell
• RLG
• OAIS

10
OAIS

• Open Archival Information System
• Incorporates all of the dimensions of a
  preservation plan
• CCSDS Global Think Tank re Data
• (Consultative Committee for Space Data
  Systems/NASA)
• Functional Model

11
OAIS Functional Entities

• Ingest
• Archival Storage
• Data Management
• Administration
• Preservation Planning
• Access

12
RLG TDR

• Trusted Digital Repository (TRD)
• Research Libraries Group (RLG)
• Interprets the OAIS model for digital materials
  housed by Legacy Collection Institutions

13
Attributes of a TDR

• OAIS Compliance
• Administrative Responsibility
• Organizational Viability
• Financial Sustainability
• Technological Suitability
• System Security
• Procedural Accountability

14
Cornell Model
15
Conclusion

• Creator has a Significant Role
• Selection
• Institutional Policy
• It has to get easier