3. Catalogs
«Database
catalog
¬A job should query the catalog to know to which database
server to connect
¬If possible, file catalogs could be used directly. For example,
instead of a physical file location, the catalog could return the
parameters for the database connection (i.e.
“mydb.star.bnl.gov:3301”)
¬If no connection can be established, the job might ask
the catalog for an alternative server