Component Assembly Descriptor
Component Assembly Descriptor is defined in XML and the file extension is “.cad”.
CAD contains the components, connection information, and partition information.
Connections are between provides and uses interfaces and emits and consumes event types.
Partition information defines whether two component should be co-located or not.
CAD file is also opens into “meta-inf” directory.
Property File Descriptor is in XML format and “.cpf” extension. PFD specifies property (attribute) settings related to component and its home.