Answered: Consider the network shown below, and…

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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Question

Consider the network shown below, and Dijkstra’s link-state algorithm. Here, we are interested in computing the least cost path from node E to all other nodes using Dijkstra's algorithm. Using the algorithm statement used in the textbook and its visual representation, complete the "Step 3" row in the table below showing the link state algorithm’s execution by matching the table entries (i), (ii), (iii), (iv) and (v) with their values.

A
Step
0
1
W N
3
(i)
(ii)
(iii)
(iv)
(v)
3
2
4
(В
8
D
N'
E
m
(i)
10
E
4
(ii)
2
(F
A
B
с
D
F
D(A),p(A) D(B),p(B) D(C),p(C) D(D),p(D) D(F),p(F)
Not quite. This answer is incorrect.
(iii)
8,D
6,F
8,D
4,E
1,E
∞
∞
*
(iv)
(v)
2,E
2,E

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