A Cheat Sheet for Designing Fault-Tolerant Systems

"Designing fault-tolerant systems is crucial for ensuring high availability and reliability in various applications. Here are six top principles of designing fault-tolerant systems:

1. Replication: Replication involves creating multiple copies of data or services across different nodes or locations.

2. Redundancy: Redundancy refers to having additional components or systems that can take over in case of a failure.

3. Load Balancing: Load balancing distributes incoming network traffic across multiple servers to ensure no single server becomes a point of failure.

4. Failover Mechanisms: Failover mechanisms automatically switch to a standby system or component when the primary one fails.

5. Graceful Degradation: Graceful degradation ensures that a system continues to operate at reduced functionality rather than completely failing when some components fail.

6. Monitoring and Alerting: Continuously monitor the system's health and performance, and set up alerts for any anomalies or failures. "

Author

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