VDict mobile



networking Hardware and software data communication systems.
The OSI 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: local area network (LAN), metropolitanarea network (MAN), wide area network (WAN) and also
according to the protocols used.
[Tanenbaum, A., "Computer Networks; 2nd ed.", Prentice Hall,
Englewood Cliffs, NJ, 1989.]
(1995-03-10)