Load Balancing Algorithms
Load balancers employ various algorithms to determine how to distribute incoming requests among the available servers. Common algorithms include round-robin, least connections, and IP hash.
- Round-robin evenly distributes requests
- While the least connections direct traffic to the server with the fewest active connections.
- IP hash uses the client’s IP address to determine which server will handle the request, ensuring consistent routing for a particular client.
How does a Load Balancer Works?
A load balancer is a crucial component in system design, ensuring that incoming network traffic is efficiently distributed across multiple servers or resources. The primary goal is to optimize resource utilization, enhance system performance, and ensure high availability and fault tolerance. The fundamental mechanism of a load balancer involves intelligently routing incoming requests to a pool of backend servers, preventing any single server from becoming overwhelmed with traffic.
Here’s a breakdown of how a load balancer works:
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