LLD - Design — Elevator System
When designing an emergency handling system that integrates diverse sensor inputs and ranks alerts by urgency, which architectural pattern is most suitable?
When designing an emergency handling system that integrates diverse sensor inputs and ranks alerts by urgency, which architectural pattern is most suitable?
hard📝 Trade-off Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Analyze requirements
System must handle multiple sensor types and prioritize alerts by severity.Step 2: Evaluate architectural patterns
Event-driven architecture supports asynchronous event handling and priority queues enable alert prioritization.Step 3: Eliminate unsuitable options
Monolithic and batch processing lack flexibility and real-time prioritization; peer-to-peer lacks centralized alert management.Final Answer:
Event-driven architecture with priority queues -> Option DQuick Check:
Event-driven + priority queues fit multi-sensor, prioritized alerts [OK]
Quick Trick: Use event-driven design with priority queues for alert prioritization [OK]
Common Mistakes:
MISTAKES- Choosing monolithic design that blocks real-time processing
- Using batch processing which delays alerts
- Selecting peer-to-peer which lacks centralized alert control
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