3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links a:s 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 measūred to characterise the behaviour of a network or network connection

3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links a:s 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 measūred to characterise the behaviour of a network or network connection

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

Figure 3.1 Distance vector routing
3.1.1 Consider the network shown in the figure 3.1 above with four nodes. Cost links a3 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 measůred to characterise the behaviour of a network or network connection

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B- Consider below topology. Each link has its own cost, suppose node A sends a packet to node G, differentiate the routes by Distance vector and link state using bandwidth as a metric. 7 3 9 3. 8 A 5 2, 6 F
For the network shown below, show the routing process of distance-vector algorithm with all nodes for the destination F. What happens if the link CE suddenly fails?
All network routing protocols are made of THREE basic components: a routing algorithm, data structures and protocol messages. i). Explain the role played by each of these THREE componentsii). Explain any FOUR differences between distance vector and link-state routing algorithms.
5.08. How to forward to a border router? Consider the network shown below. Suppose AS1, AS2, AS3, and AS4 are running OSPF for their intra-AS routing protocol and that all links have a weight of 1. Initially suppose there is no link between AS2 and AS4. Once router 1d learns about destination x, it will need to install a forwarding table entry to x. Indicate which one of the statements below are true.
How to forward to a border router? Consider the network shown below. Suppose AS1, AS2, AS3, and AS4 are running OSPF for their intra-AS routing protocol and that all links have a weight of 1. Initially suppose there is no link between AS2 and AS4. Once router 1d learns about destination x, it will need to install a forwarding table entry to x. Indicate which one of the statements below are true. 3b 3c AS 3 3a 4c 1a 4b 21 AS 4 1c AS 1 1d 22 4a 1b X 2a 2c AS 2 2b 1d will forward along z2 since BGP has computed the path to 1c is via z2. 1d will forward along z2 since OSPF has computed the path to 1c is via z2. 1d will forward along z1 since hot potato routing forwards clockwise. 1d will forward along z1 since BGP has computed the path to 1c is via z1. 1d will forward along z1 since OSPF has computed the path to 1c is via z1.
Consider the following situation: Source node has packets number 1, 2, 3, 4, 5, 6, 7, and 8 to send to the destination Source starts transmitting and packet 3 is lost on its way to its destination. The rest of ACK and data packets arrive successfully Window size is 5 packets ACKs are packet number-based. Draw a diagram that illustrates what happens in the network during sender’s transmission of packets 1 – 8 when Go-Back-N protocol is used and a diagram that illustrates what happens when Selective Repeat is used. Initial diagrams have been already drawn for you. You need to complete the drawing.
59. Consider the network in Figure 3.56, using link-state routing. Suppose the B-F link fails, and the following then occur in sequence: (a) Node H is added to the right side with a connection to G. (b) Node D is added to the left side with a connection to C. (c) A new link D-A is added. The failed B-F link is now restored. Describe what link-state packets will flood back and forth. Assume that the initial sequence number at all nodes is 1, that no packets time out, and that both ends of a link use the same sequence number in their LSP for that link, greater than any sequence number either used before. IFIGURE 3.56 Network for Exercise S9.
How to forward to a border router? Consider the network shown below. Suppose AS1, AS2, AS3, and AS4 are running OSPF for their intra-AS routing protocol and that all links have a weight of 1. Initially suppose there is no link between AS2 and AS4. Once router 1d learns about destination x, it will need to install a forwarding table entry to x. Indicate which one of the statements below are true. 3b 3a AS 3 4c 1a 4b AS 4 1c AS 1 1d 4a 1b 2c AS 2 2b O 1d will forward along z1 since OSPF has computed the path to 1c is via z1. O 1d will forward along z2 since BGP has computed the path to 1c is via z2. O 1d will forward along z2 since OSPF has computed the path to 1c is via z2. O 1d will forward along z1 since BGP has computed the path to 1c is via z1. O 1d will forward along z1 since hot potato routing forwards clockwise.
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Q1C.Compare and contrast the distance vector and link state routing protocols. Consider the network shown below and assume that each node initially knows the costs to each of its neighbors. Consider the distance vector algorithm and show the distance table entries at node Z. 3 4 4
Consider the network shown in the figure below, and assume that each node initially knows the costs to each of its neighbors. If the distance-vector algorithm is used by all the routers, what would be the distance table entries at node E?
A 3 5 сл 2 B 1 3 E F 7. Consider the network from the problem running distance-vector routing has already achieved convergence. At some time link B-C fails. a) Give the routing tables at A and D after B and C have reported the news. b) Give the routing tables at A and D after their next mutual exchange.