7. Consider the below network consisting of 4 routers and 5 links with given edge weights. Show the step-by-step procedure how routing tables are calculated at each router using distance vector routing algorithm. Show all the intermediate routing table and identify all unused links after routing table is stabilized. Explain how Bellman ford algorithm is used by distance vector routing algorithm. D C 1 11 7

7. Consider the below network consisting of 4 routers and 5 links with given edge weights. Show the step-by-step procedure how routing tables are calculated at each router using distance vector routing algorithm. Show all the intermediate routing table and identify all unused links after routing table is stabilized. Explain how Bellman ford algorithm is used by distance vector routing algorithm. D C 1 11 7

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Network transmission cabling

A network is a collection of devices connected by communication links. A device can be a computer or any instrument capable of sending and receiving data or information formed by other nodes toward the network. A channel that connects people or things is known as a network. It sends the data from one place to another. It is the basic concept of a computer, network, and data communications.

Question

7. Consider the below network consisting of 4 routers and 5 links with given
edge weights. Show the step-by-step procedure how routing tables are
calculated at each router using distance vector routing algorithm. Show all
the intermediate routing table and identify all unused links after routing
table is stabilized. Explain how Bellman ford algorithm is used by distance
vector routing algorithm.
D
с
1
A
11
7
2
3
B

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Distance-Vector and link state are two popular algorithms that have been implemented by RIP and OSPF for intra-domain routing. Summarize the differences between the two approaches.
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.
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