what's the use of SAP Data Services Agent ?

In today's world companies started using both Sap Solutions which is on-premise and cloud. So in that, we need to transfer data from cloud to on-premise or from On-premise to cloud. we need a secure connection, the SAP Data Services Agent provides secure connectivity to on-premise sources in your landscape.

At run-time, the agent will take care of the secure data transfer from the on-premise source to the targets in the cloud. 

At design time, the agent is used to provide metadata browsing functionality for on-premise sources to the web-based user interface.

SAP Data Services Agent is based on SAP Data Services technology, If you want to connect to SAP Cloud Integration for data services, you must use the SAP Data Services Agent.

SAP Cloud Integration for data services Architecture

SAP Cloud Integration for data services interacts with your local SAP landscape via the SAP Data Services Agent and secure HTTPS and RFC connections.

Thanks 

Rupesh Chavan