step N D(v), p(v) D(w), p(w) D(z), (x) 0(y),p(y) D(z), (z) uXy 3,y Table 5.1 Running the link-state algorithm on the network in Figure 5.3 Node x table cost to cost to cost to x 02 3 Node y table cost to cost to cost to x 0 2 7 Node z table cost to cost to cost to x 02 3 Time Figure 5.61 Distance-vector (DV) algorithm in operation