•Costs : need for human intervention and support of an infrastructure. The DOI system operates on the basis that such costs are borne by the assigner of the
DOI.
–Number and metadata
registration (maintenance
of resolution destinations; declaration of metadata; validation of number
syntax and of metadata; liaison with the IDF registry)
–Infrastructure (resolution service
maintenance, scaling and further development; customer guidance and
outreach; marketing; administration)
–Governance (common "rules of the
road"; further development and support of the system)
•
•The way in which these costs are recouped depends on the
application.
•