1459921756-d6c80a04-d44c-4e10-9ebd-b19bb2da7aa3

An apparatus is provided in one example embodiment and includes a network element coupled to a base station and a network and operating in a WiMAX communications environment. When the background processing completes, queries are switched from ROLAP queries to MOLAP queries. The present invention comprises several pumping arrangements for circulating water inside fire hydrant laterals and inside the branch pipes along dead-end streets where most of the water stagnation occurs. A third index that indicates how far the read has progressed in the partitioned directory is also maintained. The information may be carried on a binding update message, a binding acknowledgement message, or a binding refresh request message.