itted or deferred for re-submission at a later time on a priority basisUS6055574 *Mar 10, 1998Apr 25, 2000Unisys CorporationMethod of providing a service through a server with a virtual single network addressUS6078955 *Aug 27, 1997Jun 20, 2000Hitachi, Ltd.Method for controlling a computer system including a plurality of computers and a network processed as a user resourceUS6092178 *Sep 3, 1998Jul