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Load balancing router

(also load balancer, traffic manager)

Load balancing router definition

A load balancing router is a network device that distributes network traffic across multiple servers to optimize resource usage, improve response times, and minimize downtime. Load-balancing routers evenly distribute incoming requests, preventing any single server from becoming overloaded. This helps maintain server stability, reduces the risk of server crashes, and can improve the overall performance of a network or website.

See also: load balancer, network security protocols

Load balancing router examples

  • Round robin: A simple load balancing method that distributes requests to servers sequentially, ensuring each server receives an equal number of requests.
  • Least connections: This method routes incoming traffic to the server with the fewest active connections, helping to prevent server overloads.
  • Weighted distribution: In this method, servers are assigned weights based on their capabilities, with more powerful servers handling more traffic.

Load balancing router benefits and drawbacks


  • Improved performance and reduced latency due to efficient traffic distribution.
  • Enhanced availability and reliability because traffic can be rerouted if a server fails.
  • Scalability, allowing the network to handle increased traffic over time.


  • Increased complexity of network infrastructure.
  • Additional costs for hardware and maintenance.

Load balancing router tips

  • Choose the right load balancing algorithm for your specific network requirements.
  • Regularly monitor and maintain your load balancing routers to ensure optimal performance.