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To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached devices as given in the figure below. Modeling of a specific WAN is described.
ROUTE COMPUTATION WITH A GRAPH:
We can show routing table with edges as given in the figure below:
The graph algorithms can be used to find routes.
introduction
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An FDDI frame or Token Ring frames those points to serious problem with the ring, like a broken cable. The beacon frame carries the address of the station thought to be down.
Describe distance vector routing protocol?
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