Deploying rules by policy management apparatus as a function of information concerning network equipment

1/ Policy management apparatus for deploying rules over a set of elements in a data network, in particular a telecommunications network, said rules enabling services to be implemented, wherein the apparatus has means giving it access to a database containing information about said set of network elements, about said services, and about said rules, these various kinds of information being matched with one another, and wherein deployment is performed as a function of said information.