There are two major classes of routing protocols – Distance Vector and Link State. Distance Vector routing protocols traditionally use a one-dimensional vector when determining the most optimal path(s) through the network, while Link State routing protocols use the Shortest Path First (SPF) when determining the most optimal path(s) through the network. Before delving into the specifics of these two classes of routing protocols, we will first take a look at vectors, as well as at the elusive SPF algorithm.
A one-dimensional vector is a directed quantity. It is simply a quantity (number) in a . . .
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