A method and a system for forming a device network is provided. The method comprises providing a plurality of network devices and a plurality of gateways in a physical environment, collecting position data of the plurality of gateways, selecting a network device out of the plurality of network devices, and selecting a first gateway based on the position data. The method further comprises connecting the network device to the first gateway, if the total number of the network devices connected to the first gateway does not exceed a predefined maximum number of network devices per gateway, and selecting a second gateway based on the position data and connecting the network device to the second gateway, if the total number of the network devices connected to the first gateway exceeds the predefined maximum number of network devices per gateway.