Frontend System Design
/Intermediate
Load Balancers
Definition
Load balancers efficiently distribute incoming network traffic across a group of backend servers. They ensure high availability and reliability by routing requests only to healthy servers.
Explain Like I'm New
A load balancer is the traffic cop standing in front of 10 restaurants. He directs new customers to the restaurant with the shortest line.
Architecture & Flow
Interview Questions
basic
- Can you explain the basic concept of Load Balancers?
- Why is Load Balancers important in frontend system design?
intermediate
- How does Load Balancers impact perceived performance and user experience?
- Describe a scenario where you had to debug an issue related to Load Balancers.
advanced
- In a highly scaled enterprise system, how do you optimize Load Balancers?
- What are the security implications of Load Balancers?
trick
- Can Load Balancers be entirely bypassed or disabled? What happens if it is?