M
Mission Critical
(Context: General)
A business process or system that must function continuously for an agency to be successful, for which the impact of an outage is immediate and catastrophic to the agency's mission.
Mission-critical system consists of the IT solutions that support an agency or department mission-essential business function or back-office function (including infrastructure, people, resources, process and data) for the organization that must be continued throughout, or resumed rapidly after, a disruption of normal day to day activities. It also includes statutory business functions required by the law or mission of the department or agency.
A mission- critical system is also known as mission essential equipment or mission-critical application.
Reference:
EA-Solutions-Web-Systems-Standard-(updated).pdf (virginia.gov)