High availability refers to a system designed to stay operational continuously. In hosting, HA is achieved through redundancy of components (servers, power supplies, network, etc.) and automatic failovers. A high-availability forex server setup might include clustered servers or virtual machines on separate hardware, so there is no single point of failure. This ensures that your automated trading system stays online with minimal downtime, which is vital because market-moving events can occur anytime. Providers often advertise “HA” by offering multiple data center locations and load‑balanced servers to meet strict uptime targets.

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