1. In an arrangement where a server seeks information that is available at one of a plurality of nodes and where said server is able to establish broadcast communication with said nodes, a method for reducing broadcast traffic in said arrangement comprising the steps of: broadcasting at most N search requests, where N is an integer, with each search request directed to a different subset of said nodes said subsets being mutually exclusive, where said nodes are arranged in N subsets based on an average probability of success in the subset of finding the sought information, and where the search requests are directed to the subsets in order of said average probability of success.