Essential Technologies and Standards

• Standards

  • OAIS Reference Model
  • METS (Metadata Encoding & Transmission Standard)
  • XML

• Technologies

  • SHA1 (hash algorithm) for digital signatures
  • CNRI Handle for persistent IDs and referential integrity
  • Shibboleth for cross-institution authentication and authorization
  • OAI-PMH for harvesting of metadata, interoperability
  • Digital certificates

• Open source – Linux, Apache, Fedora, Amberfish, MySQL, PHP