As SAP Gateway is installed on top of SAP NetWeaver AS ABAP, it can run in your existing system landscape regardless of the deployment option you choose to implement.
You can install SAP Gateway in one of the following ways:
The core software components for SAP Gateway and any optional components are installed in the same host as the SAP Business Suite system.
Central hub deployment
The core software components for SAP Gateway and any optional components are installed in a standalone host, separate from the host of the SAP Business Suite system.
You can connect multiple client and consumer technologies to SAP Gateway.
The figure below is an overview of SAP Gateway in your existing technical system landscape.
For more information about the technical system landscape, refer to the following resources listed below: