Configure and deploy load balancers (HAProxy, AWS ELB/ALB/NLB) for distributing traffic, session management, and high availability.

Load Balancer Setup Table of Contents [Overview]( overview) [When to Use]( when to use) [Quick Start]( quick start) [Reference Guides]( reference guides) [Best Practices]( best practices) Overview Deploy and configure load balancers to distribute traffic across multiple backend servers, ensuring high availability, fault tolerance, and optimal resource utilization across your infrastructure. When to Use Multi server traffic distribution High availability and failover Session persistence and sticky sessions Health checking and auto recovery SSL/TLS termination Cross region load balancing API rate limiting at load balancer DDoS mitigation Quick Start Minimal working example: Reference Guides Detailed implementations in the references/ directory: Guide Contents [HAProxy Configuration](references/haproxy configuration.md) HAProxy Configuration [AWS Application Load Balancer (CloudFormation)](references/aws application load balancer cloudformation.md) AWS Application Load Balancer (CloudFormation) [Load Balancer Health Check Script](references/load balancer health check script.md) Load Balancer Health Check Script [Load Balancer Monitoring](references/load balancer monitoring.md) Load Balancer Monitoring Best Practices ✅ DO Implement health checks Use connection pooling Enable session persistence when needed Monitor load balancer metrics Implement rate limiting Use multiple availability zones Enable SSL/TLS termination Implement graceful connection draining ❌ DON'T Allow single point of failure Skip health check configuration Mix HTTP and HTTPS without redirect Ignore backend server limits Over provision without monitoring Cache sensitive responses Use default security groups Neglect backup load balancers

load-balancer-setup