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What is Fault Tolerance?

Fault tolerance is the ability of a system to continue operating even when some components fail.

How it works

Systems are designed with redundancy and backup mechanisms to handle failures without disruption.

Example

A backup server takes over when the primary server fails.

Why it matters

  • Ensures system reliability
  • Prevents downtime
  • Improves resilience

Related Terms

Reliability, Availability, Infrastructure