(1) A feature of the i5/OS operating system that allows a user to connect multiple System i systems by using SPD bus, high-speed link (HSL) loop, or virtual interpartition technologies.
(2) A System i system area network (SAN) that allows high-speed links between systems in a System i cluster. OptiConnect provides three hardware technologies (SPD OptiConnect, high-speed link (HSL) OptiConnect, and virtual OptiConnect) that can exist simultaneously on a single cluster node.