The DC current generated by the solar panel is stored in the battery and then converted to AC using an inverter. The bottom one labeled EMBOXO also plays the role of a load balancer and cluster manager because the load of these two modules is less than 1% of the CPU usage when handling 10 000 requests per second. The aggregation of the functions into one server reduces the number of machines and the total power consumption of the system. An embedded Linux platform with Intel Atom Z530P/Z510P was selected.