IP hash load balancer. Five clients with different IP addresses are deterministically routed to servers based on the hash of their IP modulo the server count. The same client always lands on the same server. Click a client to send a request from it and watch the hash calculation.

Client A 192.168.1.10 Client B 192.168.1.42 Client C 10.0.0.7 Client D 172.16.0.99 Client E 192.168.1.200 Load balancer IP hash hash(IP) % N Server 1 Handled: 0 Server 2 Handled: 0 Server 3 Handled: 0 Server 4 Handled: 0
Latest hash calculation
Click any client to send a request from them.
Routing table — each client deterministically maps to one server
600 ms
Total requests
0
Distribution (S1·S2·S3·S4)
0·0·0·0
Spread (max − min)
0