Kernel-speed packet forwarding or full application-layer proxying? Understanding the trade-offs between L4 and L7 load balancing — and when to use each — saves you both latency and lost features.
Direct Server Return lets backend servers reply straight to clients, bypassing the load balancer on the return path. Here is how it works, why it matters for high-throughput services, and when it is the wrong tool.
A basic HAProxy config takes twenty minutes. Certificates, health checks, failover, monitoring, and safe change management are where the real work — and the real risk — live. There is a shorter path.
