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Cyber Security Tutorial: A Step-by-Step Guide

Overview

What is Cybersecurity?

Lesson - 1

Cyber Security for Beginners

Lesson - 2

How to Become a Cybersecurity Engineer?

Lesson - 3

What is Ethical Hacking?

Lesson - 4

What is Penetration Testing?: A Step-by-Step Guide

Lesson - 5

What Is SQL Injection: How to Prevent SQL Injection

Lesson - 6

How to Become an Ethical Hacker?

Lesson - 7

What Is a Firewall and Why Is It Vital?

Lesson - 8

The Complete Know-How on the

Lesson - 9

A Definitive Guide to Learn the SHA 256 Algorithm

Lesson - 10

What Is a Ransomware Attack and How Can You Prevent It?

Lesson - 11

A Look at the Top 5 Programming Languages for Hacking

Lesson - 12

The Most Informative Guide on What Is an IP Address?

Lesson - 13

The Best Ethical Hacking + Cybersecurity Books

Lesson - 14

10 Types of Cyber Attacks You Should Be Aware in 2022

Lesson - 15

The Top Computer Hacks of All Time

Lesson - 16

Top 6 Cyber Security Jobs in 2022

Lesson - 17

The Best Guide to The Top Cybersecurity Interview Questions

Lesson - 18

What Is a Brute Force Attack and How to Protect Our Data Against It?

Lesson - 19

The Top 8 Cybersecurity Skills You Must Have

Lesson - 20

Your Guide to Choose the Best Operating System Between Parrot OS vs. Kali Linux

Lesson - 21

All You Need to Know About Parrot Security OS

Lesson - 22

The Best and Easiest Way to Understand What Is a VPN

Lesson - 23

What Is NMap? A Comprehensive Tutorial for Network Mapping

Lesson - 24

What Is Google Dorking? Your Way to Becoming the Best Google Hacker

Lesson - 25

Your Best Guide to a Successful Cyber Security Career Path

Lesson - 26

The Value of Python in Ethical Hacking and a Password Cracking Tutorial

Lesson - 27

The Best Guide to Understand What Is TCP/IP Model?

Lesson - 28

What Are Keyloggers and Its Effect on Our Devices?

Lesson - 29

Best Guide to Understand the Importance of What Is Subnetting

Lesson - 30

Your Guide to What Is 5G and How It Works

Lesson - 31

How to Crack Passwords and Strengthen Your Credentials Against Brute-Force

Lesson - 32

A Look at ‘What Is Metasploitable’, a Hacker’s Playground Based on Ubuntu Virtual Machines

Lesson - 33

One-Stop Guide to Understanding What Is Distance Vector Routing?

Lesson - 34

Best Walkthrough for Understanding the Networking Commands

Lesson - 35

Best Guide to Understanding the Operation of Stop-and-Wait Protocol

Lesson - 36

The Best Guide to Understanding the Working and Importance of Go-Back-N ARQ Protocol

Lesson - 37

What Are Digital Signatures: A Thorough Guide Into Cryptographic Authentication

Lesson - 38

The Best Spotify Data Analysis Project You Need to Know

Lesson - 39

A One-Stop Solution Guide to Understand Data Structure and Algorithm Complexity

Lesson - 40

Your One-Stop Guide ‘On How Does the Internet Work?’

Lesson - 41

An Introduction to Circuit Switching and Packet Switching

Lesson - 42

One-Stop Guide to Understanding What Is Network Topology?

Lesson - 43

A Deep Dive Into Cross-Site Scripting and Its Significance

Lesson - 44

The Best Walkthrough on What Is DHCP and Its Working

Lesson - 45

A Complete Look at What a Proxy Is, Along With the Working of the Proxy Server

Lesson - 46

A Detailed Guide to Understanding What Identity and Access Management Is

Lesson - 47

The Best Guide to Understanding the Working and Effects of Sliding Window Protocol

Lesson - 48

The Best Guide That You’ll Ever Need to Understand Typescript and Express

Lesson - 49

Express REST API

Lesson - 50

All You Need to Know About Express JS Middleware

Lesson - 51

An Absolute Guide to Know Everything on Expressions in C

Lesson - 52

A Definitive Guide on How to Create a Strong Password

Lesson - 53

Ubuntu vs. Debian: A Look at Beginner Friendly Linux Distribution

Lesson - 54

Your One-Stop Guide to Learn Command Prompt Hacks

Lesson - 55

Best Walkthrough to Understand the Difference Between IPv4 and IPv6

Lesson - 56

What Is Kali NetHunter? A Deep Dive Into the Hackbox for Android

Lesson - 57

A Perfect Guide That Explains the Differences Between a Hub and a Switch

Lesson - 58

The Best Guide to Help You Understand What Is Network Security

Lesson - 59

What Is CIDR? And Its Importance in the Networking Domain

Lesson - 60
One-Stop Guide to Understanding What Is Distance Vector Routing?

The distance-vector routing (DVR) is designed to periodically update the routing data in the network model based on the Bellman-Ford algorithm. In this article on ‘What Is Distance Vector Routing?’, we will understand the working of the protocol in a detailed manner.

Introduction to Distance Vector Routing

The distance vector routing protocol is applied to assign the best and the shortest route for the data. In this network protocol, the distance refers to the distance (vector) between neighboring nodes, and the routing refers to the established route.

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Key Features of the protocol

To understand the working of the routing protocol, we need to remember the following key points/features of the algorithm are:

DVR_information

Information About the Network

Every router is responsible for sharing the network knowledge in the channel more responsibly with the neighboring nodes.

DVR_routing_pattern

Routing Pattern of the Network

Sharing of routing information is done only between directly connected network nodes in the channel.

DVR_sharing_data

Sharing of Data Periodically

Each node in the connection is designed to share the updated routing data with each of the nodes in the network.

Algorithm Applied in Distance Vector Routing

The basis of distance vector routing is designed on the working of the Bellman-Ford Algorithm.

According to the algorithm, each of the nodes in the network is designed to maintain a distance-vector table carrying the distance between itself and its direct neighboring nodes in the connection.

DVR_1.

Then using the algorithm, we can deduce the following points for the routing algorithm in the network:

  • The sharing of distance vectors between neighboring nodes is done using routing tables.
  • Each routing table is shared with the latest distance-vector values in the network.
  • Each routing table data is shared at regular intervals in the network, with an update of the distance vector beyond the neighboring nodes.

DVR_2.

Next, in the article on ‘What Is Distance Vector Routing?’, we look into a general example to understand the protocol's working.

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Network Model

DVR_netwrok_model

  • In this network model, each block represents a node in the connection.
  • Each connection line has a distance-vector value in the network.

DVR_Routing_model

In the above-updated network model, each node shares the routing data with its direct neighboring node, and this step is performed at a regular interval in the network.

Solving the Network Model

To better understand the working of the routing protocol, we can do so by using the following steps in the example:

DVR_solving_problem.

Initial Step

In the first step, we will design the routing table for node A, using the only neighboring node, i.e., node E.

DVR_3.

Next, we will go through the same step for node E, i.e.,

DVR_4

Similarly, we repeat the previous step and design the routing table for each of the nodes.

Update Step

Now, after performing the initial step, we will perform the update step for all the nodes; for this, let’s look into node A,

To update node A, we will use all the distance vectors from the nodes,

  • From node A to node B,

DVR_5.

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  • From node A to node C,

DVR_6

  • From node A to node D,

DVR7.

  • From node A to node E.

DVR_8

The final updated table for node A we get would be this,

DVR_9.

Similarly, we can perform the update step for all the nodes in the model, and this update step is to be followed for (n-1) iterations where n - Number of nodes. Going by our example model, we will perform the update step atleast four times, i.e., (5-1) = 4. 

At the end of the update step, we will get the most efficient routing data for each node in the network model, where the sharing of routing data at regular intervals will still continue in the network.

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Conclusion

In this article on ‘What Is Distance Vector Routing’, we understood the need for the routing protocol in the network, along with its basis of working and understanding the working by performing the relevant steps in the example.

If you want to further deepen your understanding of the working of routing protocol in the network model and look into the various steps involved in performing the task of initializing and updating the routing table for nodes in the network, you can visit the Simplilearn’s Cyber Security Expert course and gain more knowledge on the topic.

Do you have any questions related to this tutorial on ‘What Is Distance Vector Routing?’ If yes, feel free to mention them in the comment section at the bottom of this page. Our team will help you solve your queries ASAP.

About the Author

Anmol KapoorAnmol Kapoor

Anmol is a Research Analyst who aims to become a Data Scientist one day. He enjoys Data Management systems and analysis. You will find him reading a book when he is not working.

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