To run DTM instances in the Data Integration Service process, configure the Data Integration Service to launch jobs in the service process. Configure DTM instances to run in the Data Integration Service process when the service runs SQL data service and web service jobs on a single node or on a grid.
SQL data service and web service jobs typically achieve better performance when the Data Integration Service runs jobs in the service process.
The following image shows a Data Integration Service that runs DTM instances in the Data Integration Service process: