Weighted round robin load balancing simulator. Four servers receive requests in proportion to their assigned weights. Connection thickness scales with weight, and weights can be adjusted live.

Client Incoming Load balancer Weighted round robin Next: S1 (1/3) Server 1 · w3 Handled: 0 Server 2 · w1 Handled: 0 Server 3 · w2 Handled: 0 Server 4 · w1 Handled: 0
Cycle pattern
S1 → S1 → S1 → S2 → S3 → S3 → S4 ↺
S1 weight
3
S2 weight
1
S3 weight
2
S4 weight
1
800 ms
Total requests
0
In flight
0
Actual vs target share
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