1. A system for responding to directory service operations, comprising: an alternate evaluator comprising a local data store, the local data store comprising one or more lists for representing data structures storing data, the data having been preloaded into the one or more lists of the local data store from a directory server, the alternate evaluator operable to: receive, via a receiving data path, a directory service operation comprising a query request; evaluate the query request to determine a response based on the data stored in the one or more lists for representing data structures of the local data store, wherein the query request is evaluated without accessing the directory server; and communicate, via a responding data path, the determined response to the query request.