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ALWAYS ON THE MOVE: TRANSIENT SOFTWARE AND DATA MIGRATIONS

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HELLO!

I’m David Wilcox

I am the Fedora Product Manager with DuraSpace.

You can find me at dwilcox@duraspace.org and @d_wilcox

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Our community

is part of an interconnected,

worldwide, scholarly ecosystem.

Source: The Digital Ecosystem in the Balanced Value Impact Model (illustrated by Alice Maggs); http://simon-tanner.blogspot.com/2014/09/do-you-understand-your-digital-ecosystem.html

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DuraSpace open source projects

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  • Stores, preserves, provides access to digital objects
  • Supports flexible and complex content models
  • Supports semantic relationships using RDF

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Fedora is designed to interoperate with other applications and services.

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FOCUS ON DURABILITY

  • Checksums are calculated and stored
  • An audit history can be maintained
  • Changes can be versioned

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Fedora has features that support long-term digital preservation.

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FEDORA FRONT-ENDS

Fedora is middleware

You can build a custom framework or join a community

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TRANSIENT SOFTWARE

  • Software comes and goes
  • Even well-established software changes
  • Major changes often require migrations

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Data migrations will almost certainly be necessary over time.

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DATA MIGRATIONS

  • Data migrations are rarely easy
  • Quality and consistency are important
  • Use standards when possible

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Adopting and applying standards consistently can make migrations much smoother.

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IMPORT/EXPORT UTILITY

  • Transacts in serialized RDF
  • Metadata and files can be included
  • Optionally supports BagIt and Profiles

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The import/export utility is a Java command line application

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USE CASES AND REQUIREMENTS

  • Upgrading between major versions
  • Transferring between Fedora repositories
  • Exporting to external preservation systems

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Other use cases are documented on the wiki

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COMPONENT of ECOSYSTEM

Fedora

Binaries

Sources: https://www.w3.org/RDF/icons/

https://pixabay.com/en/icon-communication-sender-antenna-157359/

HTTP- API

Import/Export

IIIF

Server

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Web Site

Profiles

FS

Research

Data

DDP

Binaries

Triple

store

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ACHIEVING INTEROPERABILITY

  • Other platforms could be supported
  • Working within context of RDA
  • Broad interoperability is the goal

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A Research Data Alliance working group is recommending this approach.

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THE VALUE OF COMMUNITY

  • Software is difficult to support and maintain
  • Even large institutions can’t go it alone
  • No single point of failure or control

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Fedora is supported by a distributed, global community of stakeholders and contributors.

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TRAINING WORKSHOPS AND CAMPS

Fedora and Samvera Camp UK Sept. 4-8

https://wiki.duraspace.org/display/FF/2017-09+Fedora+and+Samvera+Camp+UK

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Fedora Camp Texas Oct. 16-18

https://wiki.duraspace.org/display/FF/2017-10+Fedora+Camp+Texas

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LEARN MORE

Fedora website

http://fedorarepository.org/

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Mailing lists

https://wiki.duraspace.org/display/FF/Mailing+Lists+etc

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Import/Export Utility�https://github.com/fcrepo4-labs/fcrepo-import-export

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THANKS!

Any questions?

You can find me at @d_wilcox & dwilcox@duraspace.org

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CREDITS

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