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For the network given in the following diagram, show how the link-state algorithm builds the routing...
Figure 1: Network for Problem 4 and 5 4. [10 pointsj: Link-state routing: (a) Explain how link-state routing works. Give an example of an Internet routing protocol based on link-state routing. b) Apply Dijkstra's algorithm to obtain the routing table for node a in the network given in Figure 1 5. [10 points Apply distance-vector routing to the subnetwork of the network shown in Figure 1 con sisting of only nodes fa, b, c, d (a) Write the initial distance-vector...
(12 pts) Link State: The Link State Routing Algorithm (Dijkstra's or forward search gorithm) is to be performed for node D. The link state packets sent by the nodes in the etwork are shown below. Cost is measured in delay. When finished, provide the routing ble for node D. Link state packets are in the form of (destination, cost, next hop). Use e link state packet form for completing the information below. You must use Igorithm in the space shown...
Consider the following network.
a. (16 pt.)
With the indicated link costs, use Dijkstra’s shortest-path
algorithm to compute the shortest path from “w” to
all network nodes. Show how the algorithm works by computing the
table below. Note: If there exists any tie in each step, choose the
left-most column first.
Step
N’
D(s),
p(s)
D(t),
p(t)
D(u),
p(u)
D(v),
p(v)
D(x),
p(x)
D(y),
p(y)
D(z),
p(z)
0
1
2
3
4
5
6
7
b. (7 pt.)
Construct the...
1. In Broadcast routing a message is sent from a host to a specific group of computers, whereas in Multicast routing a message is sent from a host to all computers in the network a. True b. False Answer: 2. Link State Routing is different from Distance Vector Routing. In Link State Routing each node has information about the entire topology of the domain, and can use the Djikstra algorithm to build a routing table a. True b. False Answer:...
12 8 4 6 4 6 2. Consider the same network as in Problem 1. Assume node r is the only destination in the network. Use a table to show the computation process of the Bellman-Ford algorithm. Each row in the table corresponds to one iteration of the algorithm, and each column is a pair (D (A), H(A)) where D,(A) is the cost from node i to A and Hi(A) is the next hop on the path from i to...
1) Compare traffic shaping and traffic policing. Which popular
technique is used for traffic shaping?
2) Explain the lifetime of IP datagram. Why is this
important?
3) Explain the importance of ARP protocol and briefly show how
the protocol works.
4) For the network given in figure, show how the distance vector
algorithm builds the routing table for node A.
In the network below, let us suppose that the link between nodes
‘k’ and ‘m’ has been failed. Using your knowledge of link-state
routing, calculate the shortest path from node ‘i’ to node ‘j’
before failure and after failure.
Also, mention the costs from node ‘i’ to node ‘j’ before
failure and after failure.
[Hint = For example, the cost from node ‘i’ to
node ‘r’ is 1 and the path is i-r]
m 4 n 5 r 1
Consider the network shown below. The numbers shown for each
link are the delays between nearest neighbors for that link. Apply
Dijkstra’s algorithm to this network starting at node 1, and label
each node with the shortest path route to node 1.
2 Al 3 5
computer networking help
4. 120 points) Consider a network with the following topology (1) Use Djikistra shortest path algorithm to find the spanning tree which contains all form router A to the rest of the routers the network. Show the first 4 steps of the results of the algorithm. (Note that unless specified in figure, all link metrics are 1.) Answer: Step N LA 3.A 2.A (2) Assume that RIP is used as the routing protocol and all link metrics...
Distance vector routing
In the illustrated network, routes are determined using the
distance vector algorithm . The marked router
v has been newly added, it only knows the direct
costs to its neighbor routers u ,
y and z .
(a) Specify the distance vectors in all routers
except v before adding v . We
assume that the distance vector algorithm for all routers existing
at this time is already terminated.
(b) Give the initial distance vector in the
router...