Metadata Repository
(System architecture)
n Currently implemented using relational database: IBM
DB2 7.2 on AIX
n DB2 Text Information Extender search engine
n Search and storage mechanisms independent of
database implementation
n Persistent IDs assigned by server to all entities, e.g.
IU/Container/1234
n Can be used to generate URNs in future
n Cataloging performed in separate database, copied to
production database periodically