1. A system comprising a Resource Management and Reservation System (RMRS) for managing and reserving storage bandwidth by controlling storage access requests which provides an interface to applications having: a computer network to which it is connected; an application data recovery service ADRS interface element and a storage area network (SAN) interface element; a scheduler/optimizer handler element and a RMRS repository element having contents, each connected to said ADRS interface and to each other, said scheduler/optimizer handler element responsive to both said ADRS interface and to said contents of said RMRS repository element; a SAN Gateway handler which is connected to said SAN interface and to said scheduler/optimizer handler element and said RMRS repository element, said SAN Gateway handler responsive to scheduling information provided by said scheduler/optimizer handler element; and a schedule adjuster and a schedule optimizer each connected to said RMRS repository element and to said scheduler/optimizer handler element; said schedule adjuster and said schedule optimizer providing adjusted and optimized schedule information to said schedule/optimizer handler element.