1. A data storage infrastructure for a communication network that produces a plurality of data flows of network data, the data storage infrastructure comprising: a plurality of data storage systems configured to store the network data using a plurality of storage service classes, wherein different ones of the data storage systems provide different ones of the storage service classes, wherein one of the service classes requires geographically diverse back-up storage; and a storage management system configured to process scored factors for the data flows to determine total scores for individual ones of the data flows, identify key variables for the individual ones of the data flows, assign the individual ones of the data flows to individual ones of the plurality of storage service classes based on the key variables and the total scores, and assign the individual ones of the data flows to individual ones of the data storage systems based on the storage service class assignments, wherein one of the scored factors comprises a plurality of information classes.