AWS - Architecture Best Practices
Given this AWS setup: An application uses an Elastic Load Balancer (ELB) with Auto Scaling enabled. What happens when user traffic suddenly doubles?
Given this AWS setup: An application uses an Elastic Load Balancer (ELB) with Auto Scaling enabled. What happens when user traffic suddenly doubles?
medium📝 Conceptual Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand ELB and Auto Scaling roles
ELB spreads traffic across servers; Auto Scaling adds servers when demand rises. Auto Scaling will add servers to handle more users, and ELB will balance the load.Final Answer:
Auto Scaling adds more servers and ELB distributes traffic evenly -> Option CQuick Check:
More traffic = More servers + balanced load [OK]
Quick Trick: More traffic triggers Auto Scaling and ELB balances load [OK]
Common Mistakes:
- Thinking ELB rejects traffic
- Assuming the app crashes immediately
- Believing Auto Scaling removes servers on high load
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