| network Hardware and software data communication systems. The seven layer model attempts to provide a way of partitioning any computer network into independent modules from the lowest (physical) layer to the highest (application) layer. Many different specifications exist at each of these layers. Networks are often also classified according to their geographical extent: (LAN), (MAN), (WAN) and also according to the s used. See , , , , , {network, the}. [Tanenbaum, A., "Computer Networks; 2nd ed.", Prentice Hall, Englewood Cliffs, NJ, 1989.] (1995-03-10) |
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