1. A method for execution by one or more processing modules of one or more computing devices of a dispersed storage network (DSN), the DSN having a network routing unit and storage resources including a plurality of sets of storage units, the method comprises: obtaining status information relating to storage units of the plurality of sets of storage units; mapping, based at least in part on the status information, each of a plurality of data classes to the plurality of sets of storage units, including mapping at least a first data class to a first set of storage units and a second data class to a second set of storage units, the plurality of data classes relating to characteristics of data objects to be stored in a dispersed manner in the plurality of sets of storage units; generating network control information based on the mapping, the network control information including at least one of routing instructions or storage set utilization information for use in facilitating storage of data of the first data class and the second data class in the plurality of sets of storage units; and issuing the network control information to the network routing unit.