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

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

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Page 1: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Embracing Embracing EvanescenceEvanescence

Digital Preservation 101

By Becky RyderUniversity of Kentucky Libraries

ETD 2004

Page 2: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

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

Page 3: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Preservation & Access Preservation & Access LifecycleLifecycle

Creation

Prevention

Restoration/Renewal

Reformatting

New Artifact

Page 4: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Analog PreservationAnalog Preservation

First Do No HarmBenign NeglectSuitabilityEach treatment facilitates a future

treatmentPhase PreservationAvoid duplicative effortsEconomy is gained by parsing/batching

Page 5: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

What are the differences 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

Page 6: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Components of Preservation Components of Preservation PlanPlan

•Mandate

•Selection

•Policy

•Standards

•Resources

•Technology

Page 7: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Digital Preservation StrategiesDigital Preservation Strategies

•Backups/Mirror Sites

•Refresh

•Migration

•Emulation

•Hybrid approaches

•Computer Museums

•LOCKSS

Page 8: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

What are some of the concernsWhat are some of the concerns

•Loss of functionality

•Rebuilding

•Total Loss

•Loss of the creative element

•Provenance is important

•XML

Page 9: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

So what are we doing?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… >; )

• Good Research ☺• Cornell

• RLG

• OAIS

Page 10: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

OAISOAIS

•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

Page 11: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

OAIS Functional EntitiesOAIS Functional Entities

• Ingest

•Archival Storage

•Data Management

•Administration

•Preservation Planning

•Access

Page 12: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

RLG TDRRLG TDR

•Trusted Digital Repository (TRD)

•Research Libraries Group (RLG)

• Interprets the OAIS model for digital materials housed by Legacy Collection Institutions

Page 13: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Attributes of a TDRAttributes of a TDR

•OAIS Compliance

•Administrative Responsibility

•Organizational Viability

•Financial Sustainability

•Technological Suitability

•System Security

•Procedural Accountability

Page 14: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

Cornell Model

Page 15: Embracing Evanescence Digital Preservation 101 By Becky Ryder University of Kentucky Libraries ETD 2004

ConclusionConclusion

•Creator has a Significant Role

•Selection

• Institutional Policy

• It has to get easier