Method and system of determining addressing in a network environment where client devices are serviced by a number of last hop devices. Each tile includes a processor, a switch including switching circuitry to forward data over data paths from other tiles to the processor and to switches of other tiles, and a switch memory that stores instruction streams that are able to operate independently for respective output ports of the switch. As a result, the liquid drop can be rebounded by the laser beam to land at a target position of the substrate even if the course of the liquid drop discharged from the discharge head is diverted out of its predetermined trajectory. The UE then receives an acknowledgment from the serving base station. Each component of the composition has a Global Warming Potential of less than 5000. The gateway device allows direct communication between the first and second mobile data acquisition devices without communication with the data concentrator computer.