Object manager information is maintained for object managers in a network indicating a device type of devices in the network managed by the object managers and device information providing information on the devices in the network, wherein the object managers have access to the object manager information. The invention also relates to assays for the identification of compounds that block glycosylation of proteins having a glycosylation domain that is substantially homologous to a glycosylation domain of NP required for polymerization. A counter-rotating fan assembly is coupled to the low-pressure turbine.