(1) A special purpose, dedicated computer that attaches two or more networks.
(2) A part of the System i Access licensed programs that handle requests to send and receive data from applications on the personal computer and routes them to the appropriate applications on the system.
(3) A computer that determines the path of network traffic flow. The path selection is made from several paths based on information obtained from specific protocols, algorithms that attempt to identify the shortest or best path, and other criteria such as metrics or protocol-specific destination addresses.
(4) An attaching device that connects two LAN segments at the reference-model network layer. The LAN segments can use similar or different architectures.
(5) An MVS program that presents a common systems interface for all products providing resource control. Resource managing components (such as CICS) call the MVS router as part of certain decision-making functions in their processing.