An example of a safety critical system is a chemical manufacturing plant control system. The key difference between a safety critical system and mission critical system, is that safety critical system is a system that, if it fails, may result in serious environmental damage, injury, or loss of life, while mission critical system may result in failure in goal-directed activity. 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. Įxamples 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.
A mission critical system is a system that is essential to the survival of a business or organization.
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