US Patent 9135263 Method and system that routes requests for electronic files

A system, method, or computer-readable medium provide a look-up table having information on roots in repositories managed by a repository manager, the roots information in the look-up table being only n-levels deep. A file request is received, including filename and filepath with root. Before checking repositories managed by the repository manager for the requested file, the look-up table is referenced to determine whether the root of the requested file exists on one of the repositories managed by the repository manager. A check of the repository is bypassed when the look-up table does not indicate that the root exists on the repository. The repository is checked for the requested file, when the root is indicated as existing on the repository. The requested file is returned, if actually found on one repository. A “fail” response is returned, if the root is not indicated as existing in the look-up table.