A method, a data network arrangement and a computer program product by which a comparator can be implemented in a data network. Users are assigned into a multi-layered survey pool based on a hash value derived from a user identification number for the online social network that is assigned to the user. Each lower aperture corresponds to one of the upper apertures of the upper plate. The embedded simulator estimates the operating conditions of the load based on measured operational characteristics and the Present State. The apparatus contains a postage computer and a memory for service data with memory areas for data related to rate tables.