- noun a secondary plan that will be used if the first fails to work
- The measures taken to minimize the deleterious effects of a possible disaster. These include data backup to a remote site, and making the necessary arrangements for key hardware to be available during such an event. Also called disaster recovery plan (2).
Information & Library Science
- noun a decision about what to do in case of a problem with the original plan
- noun a plan which will be put into action if something happens that no one expects to happen.