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There are four different types of critical systems: mission critical, business critical, safety critical and security critical.

The difference between mission critical and business critical lies in the major adverse impact and the very real possibilities of loss of life, serious injury and/or financial loss. Examples of mission critical systems are: an online banking system, railway/aircraft operating and control systems, electric power systems, and many other computer systems that will adversely affect business and society when they fail.Ī good example of a mission critical system is a navigational system for a spacecraft. Mission essential equipment and mission critical application are also known as mission critical system. When a mission critical system fails or is interrupted, business operations are significantly impacted. Most system backups are set up in a redundant and seamless manner, so that when a system is down, backup takes over during recovery.Ī mission critical system is a system that is essential to the survival of a business or organization. Data centers and database servers for Internet applications must be protected from scenarios resulting in the potential loss of all functions, such as power shortages or faulty hardware. When such systems are interrupted, organizations face substantial repercussions and hampered productivity.įor most IT businesses and organizations, database systems and process control servers are mission critical systems. Techopedia explains Mission Critical Systemįor example, when water treatment facility pumps are stalled, or a jet engine fails, all related operations cease. When a mission critical system fails or is interrupted, business operations are significantly impacted.Ī mission-critical system is also known as mission essential equipment and mission critical application. Definition - What does Mission Critical System mean?Ī mission critical system is a system that is essential to the survival of a business or organization.