Resource requests made by clients of origin servers in a network are intercepted by reflector mechanisms and selectively reflected to other servers called repeaters. The transceiver electronics include transmitter electronics, receiver electronics and at least one processing unit. A louver system at the rear of the trailer enables the air in each duct to be channeled and pulled out of the respective duct in such a manner as to reduce drag and eddy currents using the vacuum at the rear of the trailer. The height of the control edges increases with an increasing radial distance from the center point of the base body in the form of a circular disk.