Disaster Recovery Plan (DRP)

A written plan for recovering one or more information systems at an alternate facility in response to a major hardware or software failure or destruction of facilities.
SOURCE: SP 800-34

Management policy and procedures used to guide an enterprise response to a major loss of enterprise capability or damage to its facilities. The DRP is the second plan needed by the enterprise risk managers and is used when the enterprise must recover (at its original facilities) from a loss of capability over a period of hours or days. See Continuity of Operations Plan and Contingency Plan.
SOURCE: CNSSI-4009