Load Balancer Configuration for High Availability

Load balancers are critical infrastructure components that distribute traffic across multiple servers, ensuring high availability, fault tolerance, and optimal performance. A properly configured load balancer can handle millions of requests per day while providing seamless failover and zero-downtime deployments. This comprehensive guide explores load balancer architectures, configuration strategies, and best practices for production environments.

Understanding Load Balancing

Load balancing distributes incoming network traffic across multiple backend servers to ensure no single server becomes overwhelmed. This improves application responsiveness, availability, and scalability^[1].