A CAST file set is a collection of one or more device firmware releases in one or more archives, per the CAST protocol. Once created, file sets are published on one or more CAST Servers.
The CAST File Set functionality provides the ability to:

A CAST file set is a collection of one or more device firmware releases in one or more archives, per the CAST protocol. Once created, file sets are published on one or more CAST Servers.