|1. Alternative processing (methods) is a set of business unit's procedures that enable the critical business functions to continue to be performed during the temporary unavailability of resources and services.
2. Alternative procedures that may be used by a functional unit(s) to enable it to continue to perform its critical functions during temporary unavailability of specific application systems, electronic or hard copy data, voice or data communication systems, specialized equipment, office facilities, personnel, or external services.
(Source: Disaster Recovery Institute International / Disaster Recovery Journal - DRII/DRJ)