There are several ways an architect can design for resilience in a system with high availability requirements:
1. Redundancy: The architect should consider redundancy in hardware and software components to provide backup systems that can take over in case of a failure.
2. Failover: The architect should design for failover, which means that when one system fails, another system can seamlessly take its place.
3. Load balancing: The system should be designed to balance the workload across multiple servers to ensure that one server does not become overloaded, causing a failure.
4. Monitoring: The system should be designed to continuously monitor performance, availability, and response times. This enables the system to detect and respond to issues in real-time, reducing downtime.
5. Disaster recovery: The architect should design a disaster recovery plan to ensure that the system can recover from a catastrophic failure. This includes backups, disaster recovery testing and planning, and off-site disaster recovery facilities.
By implementing a combination of these strategies, the architect can design a resilient system that can handle high availability requirements.
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