Emulation: Good or Bad?Migration and Emulation thoughtsSlide 3Technical ApproachesEmulation and ContentLegal / Organizational issuesRothenberg’s approachScenariosThe Chimera of EmulationChimera cont’dEncapsulation concernsIn a nutshellEmulation: Good or Bad?Emulation: Good or Bad?Xavier CalderonXavier CalderonMar. 18 2004Mar. 18 2004Emulation as a Digital Preservation Strategy – Stewart GrangerReality and Chimeras in the Preservation of Electronic Records – David BearmanMigration and Emulation thoughtsMigration and Emulation thoughtsMigration – Migration – –Data lossData loss–Lose the absolute ‘essence’ of the Lose the absolute ‘essence’ of the original platform.original platform.Emulation – Emulation – –Much more flexible.Much more flexible.–Simple ideaSimple ideaEmulation as a Digital Preservation Strategy – Stewart Granger•TechnicalTechnical•Digital Objects & their integrityDigital Objects & their integrity•Legal / OrganizationalLegal / Organizational•‘‘Other’Other’Technical ApproachesTechnical ApproachesApplication emulationsApplication emulationsOperating System ApplicationsOperating System ApplicationsHardware platformsHardware platformsEmulation and ContentEmulation and ContentOne of emulation’s strongest One of emulation’s strongest attractions.attractions.‘‘Look and Feel’Look and Feel’Migration issuesMigration issuesLegal / Organizational issuesLegal / Organizational issuesIPR (again)IPR (again)OrganizationalOrganizationalObviously not for everyone.Obviously not for everyone.Rothenberg’s approachRothenberg’s approachDeveloping of general techniques for Developing of general techniques for emulatorsemulatorsTechniques for saving – In human-Techniques for saving – In human-readable form the needed metadata.readable form the needed metadata.Develop techniques for Develop techniques for encapsulating documents. encapsulating documents.ScenariosScenariosThe advancement of the digital era The advancement of the digital era strikes again…strikes again…The Chimera of EmulationThe Chimera of EmulationThe idea that migrations plausible.The idea that migrations plausible.““migration is labor-intensive, time-migration is labor-intensive, time-consuming, expensive, error-prone, consuming, expensive, error-prone, and fraught with danger of losing or and fraught with danger of losing or corrupting information” – Rothenbergcorrupting information” – RothenbergNo basis or case studies were cited.No basis or case studies were cited.Chimera cont’dChimera cont’dRothenberg states that translation Rothenberg states that translation always involves loss of information. always involves loss of information. Migration architecture over looked.Migration architecture over looked.Encapsulation specifications of Encapsulation specifications of metadata was never even remotely metadata was never even remotely defined.defined.Encapsulation concernsEncapsulation concernsHow will the required metadata be How will the required metadata be identified, created, or captured?identified, created, or captured?Storage?Storage?Security?Security?In a nutshellIn a nutshellIt seems as if encapsulation is more It seems as if encapsulation is more of an idea of such complexity that it of an idea of such complexity that it can’t be easily constructed.can’t be easily constructed.Migration in this sense is favored.Migration in this sense is favored.Although emulation is much, much Although emulation is much, much more flexible in thought.more flexible in thought.Again, we’re left with many options.Again, we’re left with many
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