DIGITAL IMAGING VIEW OF

DIGITAL PRESERVATIONPresentation by:

Richard J. Laxman Family and Church History DepartmentLaxmanrj@ldschurch.org

Herbert J. White Family and Church History DepartmentWhitehj@ldschurch.org

© 2004 Intellectual Reserve, Inc.25 March 2004 1

What does “Digital Preservation” really

mean?

Why is preserving digital documents

difficult?

What is the process for “Digital

Preservation?

DIGITAL PRESERVATION

© 2004 Intellectual Reserve, Inc.25 March 2004 2

“Enable reliable, authentic, meaningful and accessible records to be carried

forward through time within and beyond organizational boundaries for as long as

they are needed for the multiple purposes they serve.

--Sue McKemmish, School of Information Management, Monash University

DIGITAL PRESERVATION What does “Digital Preservation” really

mean?

© 2004 Intellectual Reserve, Inc.25 March 2004 3

Preservation should allow future users to:Retrieve, access, decipher, view, interpret, understand, appreciate and experienceInformational artifacts (i.e. documents, data, records, sound, movie, etc.)In whatever way and for whatever purpose are desired in the futureWhile retaining their meaning and Validity(i.e. “authenticity”) -Jeff Rothenburg Dec 2002

DIGITAL PRESERVATION What does “Digital Preservation” really

mean?

© 2004 Intellectual Reserve, Inc.25 March 2004 4

DIGITAL PRESERVATION

MICROFILMPRESERVATION

CO

RR

ECT

MED

IA

PHY

SICA

L PRO

CESSIN

G

PROPER STORAGE

MICROFILM ARCHIVAL TRIANGLE

= Long Term Preservation

Richard Koehler

© 2004 Intellectual Reserve, Inc.25 March 2004 5

DIGITAL PRESERVATION

DIGITAL PRESERVATION PROCESS

Why is preserving digital documents,

objects, metadata, databases difficult?

© 2004 Intellectual Reserve, Inc.25 March 2004 6

DIGITAL PRESERVATION

DIGITALPRESERVATION

PROCESS

TEMPERATURE

HUMIDITY

HA

RD

WA

RE S

OF

TW

AR

E

METADATA

PROCESSMEDIA

BIT-STREAM

DIGITAL PRESERVATION PROCESS

If All Elements are Handled Correctly

Then

= Long Term Preservation

RECOVERYRECOVERY

© 2004 Intellectual Reserve, Inc.25 March 2004 7

PRESERVATIONPROCESS

DIGITAL PRESERVATION

© 2004 Intellectual Reserve, Inc.25 March 2004 8

DIGITALPRESERVATION

PROCESS

DIGITAL PRESERVATION

CONSTANTTEMPERATURE

CONSTANTHUMIDITY

OU

T D

AT

ED

HA

RD

WA

RE O

BS

OL

ET

ES

OF

TW

AR

E

READABLE

METADATA

ACTUAL

PROCESS

DECAYING

MEDIA

CHANG

ING

BIT-STREAMS

DIGITAL PRESERVATION PROCESS

RECOVERYRECOVERY

© 2004 Intellectual Reserve, Inc.25 March 2004 9

DIGITAL PRESERVATION WHAT TYPE OF DIGITAL PRESERVATION

SECURITY SYSTEMADMINISTRATION

STRATEGYCREATION OF

BACKUPSSTRATEGY

STANDARDSSTRATEGY

ORGANIZATIONALSTRATEGY

REFRESHSTRATEGY

MIGRATIONSTRATEGY

EMULATIONSTRATEGY

ENCAPSULATIONSTRAGETY

ANALOGSTRATEGY

TECHNOLOGYSTRATEGY

COMPUTER MUSEUMSTRATEGY

DIGITAL ARCHEOLOGY

STRATEGY

MULTIPLEACQUISITIONS

STRATEGY

REDUNDANCYSTRATEGY

LOCKSSSTRATEGY

© 2004 Intellectual Reserve, Inc.25 March 2004 10

DIGITAL PRESERVATION PROCESS

Born DigitalDocuments

Critical Data Sets

Field Capture

Conversion

Acquired

MultipleAcquisition

Strategy

Image

Metadata

Ingest intoGSU Digital

Process

OrganizationalStrategy

StandardsStrategy

LOCKSSStrategy

RedundancyStrategy

Original Documents,Digital Copies in GSU, Donor Copy

Lots of Copies Keep Stuff Safe

© 2004 Intellectual Reserve, Inc.25 March 2004 11

DIGITAL PRESERVATION PROCESS

Ingest intoGSU Digital

Process

Critical Data Sets

LOCKSSStrategy

RedundancyStrategy

MetadataPreservation

Strategy

Preservation DLT

Preservation DVD

Future Technology

Donor Copy

Distribution Copy© 2004 Intellectual Reserve, Inc.25 March 2004 12

DIGITAL PRESERVATION PROCESS

Critical Data Sets

Preservation DVD

Preservation DLT

Distribution Copy

Donor Copy

MetadataPreservation

Strategy

Future TechnologySecurity SystemAdministration

Strategy

Creation of BackupStrategy

PreservationRecovery and

RestoreStrategy

© 2004 Intellectual Reserve, Inc.25 March 2004 13

DIGITAL PRESERVATION Preservation, Recovery, Restore Strategies

Computer MuseumStrategy

DigitalArcheology

Strategy

RefreshPreservation

StrategyMedia

3-5Years

MigrationPreservation

Strategy

HardwareSoftware

O.S.

EmulationPreservation

Strategy

EncapsulationPreservation

Strategy

HardwareSoftware

O.S.Emulate

TechnologyPreservation

Strategy

HardwareSoftware

O.S.Preserve

Copy

AnalogPreservation

Strategy

Human Readabl

e

© 2004 Intellectual Reserve, Inc.25 March 2004 14

DIGITAL PRESERVATION

MICROFILMPRESERVATION

CO

RR

ECT

MED

IA

PHY

SICA

L PRO

CESSIN

G

PROPER STORAGE

NITRATE FILMS

ACETATE FILMSU

N-PLA

NN

ED

MIG

RA

TION

MICROFILM MIGRATION

POLYESTER FILMS

© 2004 Intellectual Reserve, Inc.25 March 2004 15

DIGITALPRESERVATION

PROCESS

TEMPERATURE

HUMIDITY

HA

RD

WA

RE S

OF

TW

AR

E

METADATA

PROCESSMEDIA

BIT-STREAM

DIGITAL PRESERVATION

PLANNEDMIGRATION

AUDIT OF COLLECTION

WORKINGWITH

VENDORS

INSURINGPROPER

STORAGE

RECOVERYRECOVERY

© 2004 Intellectual Reserve, Inc.25 March 2004 16

DIGITAL PRESERVATION

QUESTIONS

© 2004 Intellectual Reserve, Inc.25 March 2004 17

DIGITAL PRESERVATION

Additional Slides not Presented at the

Conference

© 2004 Intellectual Reserve, Inc.25 March 2004 18