Package Descriptors and Access Aids
Package descriptors are needed by an OAIS to provide visibility and access to the OAIS holdings
Package Descriptors contain 1 or more Associated Descriptions which describe the AIP Content Information from the point of view of a single Access Aid
Some example of Access Aids Include:
- Finding Aids - assist the consumer in locating information of interest
- Ordering Aids - allow the consumer to discover the cost of and order AIUs of interest
- Retrieval Aids - enable authorized users to retrieve the AIU described by the Unit Descriptor from Archival Storage