System Design · Interactive Visualizer

Load Balancing Algorithms

Select an algorithm · Send requests · Watch traffic distribution in real time

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Algorithm
Round Robin
Total reqs
0
Last server
—
Auto run
OFF
Round Robin distributes requests sequentially — one to each server in turn before cycling back. Simple, predictable, zero overhead.
✦ Best for: Stateless APIs, equal-capacity servers
Speed500ms

Built for system design learning · All 8 load balancing algorithms