Look at this network fragment. w and y are x's only neighbors. W
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Look at this network fragment. w and y are x's only neighbors. W's minimum-cost path to u (not illustrated) is 5, while y's is 6. The pathways from w and y to u and between them are not indicated. All network link costs are positive integers. 2, Give x's distance
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- P7. Examine the network fragment below. w and y are x's only neighbours. W's minimum-cost route to u (not illustrated) is 5, while y's is 6. The pathways from w and y to u and between them are not indicated. All network link costs are positive integers. 2, Give x's distance vector to w, y, and u.P7. Consider the network fragment shown below. x has only two attached neighbors, w and y. w has a minimum-cost path to destination u (not shown) of 5, and y has a minimum-cost path to u of 6. The complete paths from w and y to u (and between w and y) are not shown. All link costs in the network have strictly positive integer values. a) Give x’s distance vector for destinations w, y, and u. b) Give a link-cost change for either c(x,w) or c(x,y) such that x will inform its neighbors of a new minimum‐cost path to u as a result of executing the distance‐vector algorithm. c) Give a link‐cost change for either c(x,w) or c(x,y) such that x will not inform its neighbors of a new minimum‐cost path to u as a result of executing the distance‐vector algorithm.Consider Distance Vector Routing for the following three-node network where the link labels indicate the associated links costs and the nodes are marked as x, y, and z. Derive and explain how many iterations are needed to stabilize the cost from z to x, when the cost of link (y,x) changes from 7 to 100
- Consider the network fragment shown below. X has only two attached neighbours, W and Y, with link costs as C(X,Y)=50, C(X,W)=8, C(Y,W)=4. W has a minimum-cost path to destination U (not shown) of 20, and Y has a minimum-cost path to U of 30. The complete paths from W and Y to U are not shown. All links in the network have strictly positive integer values. The network runs a distance vector routing algorithm (without poisoned reverse). Answer the following questions: What is the distance vector of X to destination U,DX(U)= ________ Suppose the link cost between X and Y decreases to 2.In response to the link cost change, the distance vector of X to destination U is updated to:DX(U) = _________ Suppose the link cost between W and X increases to 60 (link (X,Y) still has cost of C(X,Y)=50).Immediately after this cost increase, the distance vector of W to destination X will be updated to;DW(X) = __________Node W will then send routing updates to all its neighbours about this…Consider the network shown in Figure 3. a) What is the minimum cost for travelling from node w to node y? b) Is the least-cost path from node w to node y unique, i.e., are there more than one path from node w to node y that have the same total cost while that total cost is minimum? If the least-cost path is not unique, then how many such paths exist and what are the paths?The following questions related to the given picture 3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links are shown in the diagram. Give the distance-vector routing tables for all the nodes in the network. Let node B to be the first node to broadcast its routing table.
- Consider the 6-node network shown below, with the given link costs. Using Dijkstra's algorithm, find the least cost path from source node u to all other destinations. Fill in the following table using the convention shown the text. I am having trouble identifying the D(u), p(u) of this table. Could you help me, please?Consider the network shown below. Using Bellman-Ford algorithm, and showing your work using a table similar to the one in the lectures, compute the distance table entries in node z. Assume that each node initially knows the costs to its neighbors and show the steps of your distance table calculation at node z.The practical network shown below is a WAN consisting of seven routers A through G interconnecting four LANs. The load on each link is normalised to a number indicated on that link. Assume all the links are bidirectional with equal indicated load. a) Find the least-cost path between two routers A and F using Dijkstra's algorithm. b) Show an iteration graph as the least-cost path is developed.
- 3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links are shown in the diagram. Give the distance-vector routing tables for all the nodes in the network. Let node B to be the first node to broadcast its routing table. 3.1.2 Provide details of how count to infinity problem may occur in this type of routing protocol. 3.2 Identify and briefly describe three QoS parameters that are often measured to characterise the behaviour of a network or network connection.Consider the network shown in the following diagram. With the indicated link costs, use Dijkstra's shortest-path algorithm to compute the shortest path from x to all other network nodes. Show how the algorithm works by computing a table similar to the one above.For the network configuration shown in Figure 1,(a) Using Dijkstra’s algorithm, generate a least-cost route to all other nodes if N2 is the source node(b) Using Bellman Ford’s algorithm, generate a least-cost route to all other nodes if N4 is the source node.Show the various stages of the algorithm using network diagrams and the updated routing table.