Downtime

1. Downtime is the time which a business function or a computer is non-functional because of problems with hardware or system software. BL-DR-5 Click to know more BCMBoK Competency Level BCMBoK 3: Business Impact Analysis CL 2B: Intermediate (BC) BCMBoK Competency Level BCMBoK 3: Business Impact Analysis CL 2C: Intermediate (CM) BCMBoK Competency Level BCMBoK 3: Business Impact Analysis CL 2D: Intermediate (DR) Click to know more about expert level training (Source: Business Continuity Management Institute - BCM Institute)

2. Total period that a service or component is not operational within agreed service times.

A Manager’s Guide to Implementing Your IT Disaster Recovery Plan

(Source: OGC, Information Technology Infrastructure Library (ITIL) v3)

3. The total period that a service or component is not operational within an agreed service time. Measured from when a service or component fails to when normal operations recommence.

(Source: Disaster Recovery Institute International / Disaster Recovery Journal - DRII/DRJ)

(Source: ENISA - the European Network and Information Security Agency. BCM & Resilience Glossary)

4. Total period that a service or component is not operational, within agreed service times. (Source: OGC, Information Technology Infrastructure Library (ITIL) v3)