Scalability and High Availability
Load balancers play a vital role in enabling horizontal scalability. As traffic increases, additional servers can be added to the backend pool, and the load balancer will automatically distribute traffic across the expanded set of resources. This not only enhances performance but also provides a mechanism for handling traffic spikes.
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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