--- title: "Top 6 Load Balancing Algorithms" description: "Explore the top 6 load balancing algorithms in detail." image: "https://assets.bytebytego.com/diagrams/0251-lb-algorithms.png" createdAt: "2024-03-05" draft: false categories: - software-development tags: - "Load Balancing" - "Algorithms" --- ![](https://assets.bytebytego.com/diagrams/0251-lb-algorithms.png) ## Top 6 Load Balancing Algorithms * **Static Algorithms** * Round robin The client requests are sent to different service instances in sequential order. The services are usually required to be stateless. * Sticky round-robin This is an improvement of the round-robin algorithm. If Alice’s first request goes to service A, the following requests go to service A as well. * Weighted round-robin The admin can specify the weight for each service. The ones with a higher weight handle more requests than others. * Hash This algorithm applies a hash function on the incoming requests’ IP or URL. The requests are routed to relevant instances based on the hash function result. * **Dynamic Algorithms** * Least connections A new request is sent to the service instance with the least concurrent connections. * Least response time A new request is sent to the service instance with the fastest response time.