// definition
Service continuity
Sustaining or restoring a useful function
Short definition
The ability to sustain or restore a useful function during and after a disruption within a defined scope. It relies on people, equipment, procedures and dependencies on partners. Assessment follows the service users can actually obtain, alongside the availability of its individual components.
risk atlas
Knowledge map
Intuition
Available components become useful when the user can still complete the operation.
Related analyses
- Blackouts: who pays for service continuity?Payments, power and telecommunications in the continuity of a purchase.
Primary sources
- NIST, maintaining processes through a disruptionBusiness continuity plan definition from NIST SP 800-34 Rev. 1.
- Arcep, network resilience, May 2025Pages 5–6 and 20–22: organisation, restoration and dependencies between actors.