The program in the communications controller that controls data traffic for the host.
An IBM-licensed program that provides communication controller support for single-domain, multiple-domain, and interconnected network capability.
A program, generated by the user from a library of IBM-supplied modules, that controls the operation of a communication controller.
n. In a communications network that includes a mainframe computer, a program that usually resides in a communications controller and takes over communications tasks such as routing, error control, line control, and polling (checking terminals for transmissions), leaving the main computer free for other functions. See also communications controller.
The ARPANET Network Control Program (NCP) provided the shared elements of the protocol stack running on an ARPANET host computer. NCP provided connections and flow control between processes running on different ARPANET host computers. Application services, like e-mail or file transfer, used an interface to the NCP to handle connections to other host computers.
