Systems
Reliability
Definition
Reliability is the ability of a glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term to consistently perform as expected without failure.
In practice
Measured through glossaryUptimeUptime is the amount of time a system is operational and available.Open glossary term, glossaryError RateError rate measures how often users make mistakes while completing a task.Open glossary term, and glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term stability over time.
The reality
Reliability is often assumed until failures expose weaknesses.
Plain English
How dependable something is.
FAQ
Common questions
A few practical answers to the questions that usually come up around this term.
What is system reliability?
It is how consistently a glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term works without failure.
Why is reliability important?
It ensures users can glossaryTrustUser confidence that a product, service, or organisation will do what it promises.Open glossary term the glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term.
How is reliability measured?
Through glossaryUptimeUptime is the amount of time a system is operational and available.Open glossary term and glossaryError RateError rate measures how often users make mistakes while completing a task.Open glossary term.
What causes poor reliability?
Bugs, weak glossaryInfrastructureInfrastructure refers to the underlying systems and resources that support applications and services.Open glossary term, and poor testing.
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