Load Balancer is a component that distributes requests across multiple servers or instances.
What is Load Balancer?
Load Balancer is a component that distributes requests across multiple servers or instances. It is part of the practical vocabulary used by administrators, developers and IT teams. Understanding it helps identify where the technology sits in an architecture and what problem it is intended to solve.
What is it used for?
It is mainly used to improve service availability, capacity, and fault tolerance. In production, its usefulness depends on the surrounding configuration, compatibility requirements and operational constraints.
How to recognize it in practice
You may encounter Load Balancer in product interfaces, configuration files, logs, API documentation, network diagrams or troubleshooting procedures. Always check the context before changing a setting based only on its name.
Points to watch
Health checks and session persistence must match how the application actually works. Test changes, document the previous state and keep a rollback path for production systems.
In short
Load Balancer = a component that distributes requests across multiple servers or instances. Its main value is to improve service availability, capacity, and fault tolerance.