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DIGITAL IMAGING VIEW OF
DIGITAL PRESERVATIONPresentation by:
Richard J. Laxman Family and Church History [email protected]
Herbert J. White Family and Church History [email protected]
© 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