Control over the movement of packets is exercised by edge nodes of a network mapping the addresses of incoming packets in accordance with a prespecified functional mapping P. A product SD of a specific surface area S in square meters per gram and a crystallite diameter D in micrometer is equal to or more than about 1. The tension of the timing belt is adjusted by rotating an adjusting screw of the belt-adjusting mechanism. Scheduling simulation of request events to appropriate hardware models is deferred until the evaluation stage, thereby simplifying the workload definition operation. The inventive caster has a braking device that acts upon the lateral faces of the wheel. The invention further relates to a composite obtainable by the above process; to a composite comprising an Ag-comprising layer; to a composition comprising AgNO3; and to a use of composition comprising AgNO3 for forming conducting paths.