FAANG / Big Tech interview question · Most asked
What is a load balancer L4 vs L7?
Summary
L4 routes on IP/port; L7 understands HTTP and can route by path/host and terminate TLS.
Longer Answer
L4 routes on IP/port; L7 understands HTTP and can route by path/host and terminate TLS. Traffic management.
Key Points
- L4 routes on IP/port; L7 understands HTTP and can route by path/host and terminate TLS
- Traffic management
- Relevant areas: Networking
- Use the answer to connect the concept back to a realistic production or interview scenario for 'What is a load balancer L4 vs L7?'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | L4 routes on IP/port; L7 understands HTTP and can route by path/host and terminate TLS. |
| Practical tradeoff | Traffic management. |
Explanation
Summary
Traffic management.
Longer Answer
Traffic management. Focus on the practical implications across Networking.
Key Points
- Traffic management
- Focus on the practical implications across Networking
- Relevant areas: Networking
- Use the answer to connect the concept back to a realistic production or interview scenario for 'What is a load balancer L4 vs L7?'
Comparison / Tradeoffs
| Aspect | Notes |
|---|---|
| Core idea | Traffic management. |
| Practical tradeoff | In an interview, relate 'What is a load balancer L4 vs L7?' to implementation decisions, tradeoffs, and operational impact. |
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