Load Balancing

✅ Load Balancing

sharing the work(load) to more than two servers

network connection ⬆️

• scale-up: increase capability of hardware
• scale-out: divide work among several servers ➡️ Load balancing

✔️ Load Balancing

• locate load balancer between client and server
• if one server is full, load the work to another server
• solve the problem of overlaoding
  

How does a load balancer choose a server?

• Round Robin: CPU scheduling round robin method
• Least connections: choose the server with least connection
• Source: Hash user IP and distribute(same user will always have same server)