A network with a multitude of workstations, and operating systems, and a variety of application types from different vendors.
A network consisting of different network protocols or different operating system software, such as OpenVMS and UNIX.
A network composed of dissimilar host computers, such as those of different manufacturers. See homogeneous network for contrast.
A network running multiple network layer protocols. See also: DECnet, IP, IPX, XNS, homogeneous network. [Source: RFC1983
A network running multiple network layer protocols. See also:DECnet, IP, IPX, XNS. Hierarchical File