w diagram illustrating the operation of the integration, filter, aggregation, routing and database handler layers of FIG. 2. [0026]FIG. 3B is a block diagram illustrating the information passed to and from the throttler. [0027]FIG. 4 is a flow diagram illustrating further details of the filter step of FIG. 3A. [0028]FIG. 5 is a flow diagram corresponding to the insert block of FIG. 3A. [0029]FIG.