More work on the domain model
More work on the domain model

dalg24/DataTransferKit,Rombur/DataTransferKit,amccaskey/DataTransferKit,andrsd/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,amccaskey/DataTransferKit,amccaskey/DataTransferKit,amccaskey/DataTransferKit,Rombur/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit,ORNL-CEES/DataTransferKit,andrsd/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit