Types of Networks

Types of NetworksTypes of Networks
Dr. Kamal Gulati

Types of NetworksTypes of Networks
 Computer networkComputer network is a system that connectsis a system that connects
computers via communications media so thatcomputers via communications media so that
data can be transmitted among them.data can be transmitted among them.
 Local area network (LAN)Local area network (LAN) connects two orconnects two or
more devices in a limited geographical region.more devices in a limited geographical region.

Local Area Network (LAN)Local Area Network (LAN)
 LANLAN consists of the following components:consists of the following components:
 LAN file serverLAN file server is a repository of variousis a repository of various
software and data files for the network.software and data files for the network.
 NodesNodes are the client machines on the LAN.are the client machines on the LAN.
 Wired or wirelessWired or wireless communicationcommunication media thatmedia that
connects the devices.connects the devices.

Local Area Network (Continued)Local Area Network (Continued)
 LAN network interface cardLAN network interface card (NIC)(NIC) is a specialis a special
adapter that links an individual device to theadapter that links an individual device to the
communication medium and specifies:communication medium and specifies:
 The rate of data transmission;The rate of data transmission;
 The size of the message units;The size of the message units;
 Addressing information attached to each message;Addressing information attached to each message;
 The network topology.The network topology.
 Network operating systemNetwork operating system (NOS)(NOS) manages themanages the
server and routes and manages communications onserver and routes and manages communications on
the network.the network.

Network TopologiesNetwork Topologies
 StarStar, all network nodes connect to a, all network nodes connect to a singlesingle
computercomputer, typically the file server., typically the file server.
 BusBus, all network nodes connect to the, all network nodes connect to the bus,bus,
which is a single communications channel,which is a single communications channel,
such as twisted pair, coaxial cable, or fibersuch as twisted pair, coaxial cable, or fiber
optic cable.optic cable.
 RingRing, network nodes are connected to adjacent, network nodes are connected to adjacent
nodes to form a closed loop.nodes to form a closed loop.

Wide Area Network (WAN)Wide Area Network (WAN)
 Wide area networks (Wide area networks (WANWANs)s) are networks thatare networks that
cover large geographic areas.cover large geographic areas.
 WANs typically connect multiple LANs.WANs typically connect multiple LANs.
 WANs have large capacity and combine multiple channelsWANs have large capacity and combine multiple channels
(fiber optic, satellite, microwave, etc.).(fiber optic, satellite, microwave, etc.).
 WANs provided by common carriers, such as telephoneWANs provided by common carriers, such as telephone
companies (Sprint, AT&T, etc.).companies (Sprint, AT&T, etc.).
 Value-added network (Value-added network (VANVAN)) are private, data-onlyare private, data-only
networks managed by outside third-parties thatnetworks managed by outside third-parties that
provide these networks to multiple organizations.provide these networks to multiple organizations.

Computer NetworkComputer Network
 Computer network:Computer network:
 Two or more computers that are connected by some type ofTwo or more computers that are connected by some type of
communication mediacommunication media to enableto enable resource exchange / sharingresource exchange / sharing
andand communicationcommunication
 Communication media:Communication media:
 Wire (cable)Wire (cable)
 Wireless (wave)Wireless (wave)
 Resource:Resource:
 File (e.g.,File (e.g., Web pagesWeb pages))
 PrinterPrinter

Client and ServerClient and Server
 Servers:Servers:
 Computers thatComputers that provide networking servicesprovide networking services (e.g., sharing files,(e.g., sharing files,
sharing Web pages) to other computerssharing Web pages) to other computers
 Clients:Clients:
 Computers thatComputers that access/request and receive networking servicesaccess/request and receive networking services
from serversfrom servers

Client/Server NetworkClient/Server Network
 Client/Server Network:Client/Server Network:
 A network where some of the computers are clients, some otherA network where some of the computers are clients, some other
are servers, and some others are both clients and serversare servers, and some others are both clients and servers
 A computer can be BOTH client and serverA computer can be BOTH client and server
 This computer can provides services to other computers as well asThis computer can provides services to other computers as well as
accesses/requests and receives services from serversaccesses/requests and receives services from servers

Client/Server NetworkClient/Server Network

Networking ComponentsNetworking Components
 Major elements of a network:Major elements of a network:
 ComputersComputers
 CPU, main memory, I/O devices, secondary memoryCPU, main memory, I/O devices, secondary memory
 Network Interface Card (NIC)Network Interface Card (NIC)
 A hardware to enable one computer to communicate with anotherA hardware to enable one computer to communicate with another
computer(s) over a computer networkcomputer(s) over a computer network
 Networking program/software (e.g., Client software,Networking program/software (e.g., Client software,
Server software)Server software)
 A software that must be installed in a computer to enable resourceA software that must be installed in a computer to enable resource
exchange with other computersexchange with other computers
 HubHub
 A hardware that is used to connect three or more computers easilyA hardware that is used to connect three or more computers easily

 Classes of computers based on performanceClasses of computers based on performance
(information processing speed and data storage(information processing speed and data storage
capacity):capacity):
 Micro ComputerMicro Computer: Desktop, Laptop: Desktop, Laptop
 Mini / Mid-Range computerMini / Mid-Range computer: Mainframe Computers: Mainframe Computers
 Super-ComputerSuper-Computer

Micro-computer (e.g.,
desktop computer)
Mini-computer (e.g.,
mainframe computer)

Network Interface Card (NIC):Network Interface Card (NIC):
Expansion boardExpansion board

Network Interface Card (NIC ):Network Interface Card (NIC ):
Expansion boardExpansion board

Another type of NIC: PCMCIAAnother type of NIC: PCMCIA

Another type of NIC: USB NICAnother type of NIC: USB NIC

Networking SoftwareNetworking Software
 Software / ProgramSoftware / Program that must be run in every computer inthat must be run in every computer in
a network so that these computers can exchange resourcesa network so that these computers can exchange resources
 Server Program:Server Program: program that must be run in a computerprogram that must be run in a computer
so that this computer canso that this computer can give/providegive/provide networking servicesnetworking services
to other computer's in the network.to other computer's in the network.
 Client program:Client program: program that must be run in a computer soprogram that must be run in a computer so
that this computer canthat this computer can request and receive networkingrequest and receive networking
servicesservices from server.from server.
 A computer can run both server and client program at theA computer can run both server and client program at the
same time, and therefore, become both server and client atsame time, and therefore, become both server and client at
the same timethe same time

WireWire
 Different Types of Wire:Different Types of Wire:
 Coaxial CableCoaxial Cable
 Unshielded Twisted Pair (UTP) CableUnshielded Twisted Pair (UTP) Cable
 Shielded Twisted Pair (STP) CableShielded Twisted Pair (STP) Cable
 Fiber Optic CableFiber Optic Cable

HubHub
 Electronic device that enables the connection of three orElectronic device that enables the connection of three or
more computers (computing devices)more computers (computing devices)
 The original hub broadcasts signal from one port to all otherThe original hub broadcasts signal from one port to all other
ports in the hubports in the hub
 Hub has been integrated withHub has been integrated with switchswitch: electronic device that: electronic device that
can forward signal from one port to the port that iscan forward signal from one port to the port that is
connected to the actual destination of the signalconnected to the actual destination of the signal
 Hub has been integrated withHub has been integrated with routerrouter: electronic device that: electronic device that
can accept signal from one port, determine the best route tocan accept signal from one port, determine the best route to
the destination, and forward the signal to the port connectedthe destination, and forward the signal to the port connected
to the routeto the route

HubHub
Computer A
Computer B
Drop/destroy the message
Accept the message
Drop/destroy the messageDrop/destroy the message
Drop/destroy the message
For Computer B

SwitchSwitch
Computer A
Computer B
Accept the message
For Computer B
Switch

RouterRouter
path A
path B
Router Router
Router
Computer A Computer B
For
Computer
B
Router is especially useful to be
used in a network that has
redundant paths (i.e., two
nodes are connected by more
than one path)

Hub/Switch/RouterHub/Switch/Router

InternetworkInternetwork
 A group of networks that are connected to one another toA group of networks that are connected to one another to
enable data exchange.enable data exchange.
 An example of an internetwork is theAn example of an internetwork is the InternetInternet
 A single network usually consists of a network that isA single network usually consists of a network that is
owned byowned by a single organizationa single organization (e.g., Airtel network), while(e.g., Airtel network), while
an internetwork usually consists ofan internetwork usually consists of two or more networks,two or more networks,
each is owned by different organizationeach is owned by different organization (e.g., the Internet(e.g., the Internet
consists of Airtel network, Alabama A&M network,consists of Airtel network, Alabama A&M network,
Harvard University network, Ford Motor CompanyHarvard University network, Ford Motor Company
network, AT&T network, MCI/Worldcom network, etc.)network, AT&T network, MCI/Worldcom network, etc.)

InternetworkInternetwork
Network A
Network FNetwork E
Network
D
Network
C
Network
B

Internetworking componentInternetworking component
 Router:Router:
 Electronic device to accept signal from one port, determineElectronic device to accept signal from one port, determine
the best route to the destination, and forward the signal to thethe best route to the destination, and forward the signal to the
port connected to the routeport connected to the route
 Electronic device to connect different networks (i.e.,Electronic device to connect different networks (i.e.,
networks using different network technologies e.g., Ethernetnetworks using different network technologies e.g., Ethernet
network and PSTN)network and PSTN)
 The major benefits of Router:The major benefits of Router:
 To improve the efficiency of the internetworkTo improve the efficiency of the internetwork
 The internetwork always uses the “best available path” toThe internetwork always uses the “best available path” to
transmit signaltransmit signal
 To improve the reliability of the internetworkTo improve the reliability of the internetwork
 The internetwork still works although some paths areThe internetwork still works although some paths are
completely brokencompletely broken
 To connect different networksTo connect different networks

The Internet ProtocolThe Internet Protocol
 Protocol:Protocol:
 Standard set of rules that allow computers to communicateStandard set of rules that allow computers to communicate
(exchange data)(exchange data)
 To be able to communicate, computers must use the sameTo be able to communicate, computers must use the same
protocolprotocol
 ProtocolProtocol ≈≈ LanguageLanguage
 Protocol(s) is used to develop networking program (e.g.,Protocol(s) is used to develop networking program (e.g.,
server program and client program) and to build networkingserver program and client program) and to build networking
hardware (e.g., NIC)hardware (e.g., NIC)
 If two computers want to exchange information, they have toIf two computers want to exchange information, they have to
run programs/software and to use hardware that are based onrun programs/software and to use hardware that are based on
the same protocolthe same protocol
 The Internet uses a protocol that is called TCP/IPThe Internet uses a protocol that is called TCP/IP
(Transmission Control Protocol/Internet Protocol)(Transmission Control Protocol/Internet Protocol)

TCP/IP ProtocolTCP/IP Protocol
 In a TCP/IP network, every computer is given aIn a TCP/IP network, every computer is given a
unique identification number that is called IPunique identification number that is called IP
addressaddress
 IP address is used to determineIP address is used to determine
 Which computer wants to communicate with whichWhich computer wants to communicate with which
computercomputer
 The WWW network uses the Internet. And therefore, youThe WWW network uses the Internet. And therefore, you
can use IP address to communicate with other computercan use IP address to communicate with other computer
in the WWWin the WWW
 Example: Open your Web browser > Type:Example: Open your Web browser > Type:
64.236.16.20/index.html64.236.16.20/index.html

IP address and the InternetIP address and the Internet
 IP address consists of four groups of decimalIP address consists of four groups of decimal
numbers (each group ranges from 0 to 255)numbers (each group ranges from 0 to 255)
 How to find the IP address of your computer?How to find the IP address of your computer?
 Open the Command Prompt program > Type ipconfig/allOpen the Command Prompt program > Type ipconfig/all

WAN TechnologiesWAN Technologies
 Dial-up modem connectionsDial-up modem connections
 CheapCheap
 SlowSlow
 A phone line, a modem at each endA phone line, a modem at each end
 Integrated Services Digital network (ISDN)Integrated Services Digital network (ISDN)
 Higher costHigher cost
 FasterFaster
 A special phone lineA special phone line

 Interface standardsInterface standards
 Basic Rate Interface (BRI)Basic Rate Interface (BRI)
 Uses three separate channelsUses three separate channels
 Two bearer channels of 64Kbps carrying the voice/dataTwo bearer channels of 64Kbps carrying the voice/data
 A delta channel of 16Kbps for signalingA delta channel of 16Kbps for signaling
 Primary Rate Interface (PRI)Primary Rate Interface (PRI)
 Uses 23 bearer channels of 64kbps for data/voiceUses 23 bearer channels of 64kbps for data/voice
 Uses one 64kbps delta channel for singalingUses one 64kbps delta channel for singaling
 T-carrier linesT-carrier lines
 High-speed linesHigh-speed lines
 Can be leased from telephone companiesCan be leased from telephone companies
 Are often used to create private networksAre often used to create private networks

 Four typesFour types
 T1T1
 Offers speed of 1.544MbpsOffers speed of 1.544Mbps
 Connects LANSConnects LANS
 T2T2
 Uses 96 64Kbps B channelsUses 96 64Kbps B channels
 T3T3
 Uses 672 64Kbps B channelsUses 672 64Kbps B channels
 T4T4
 Uses 4,032 64Kbps B channelsUses 4,032 64Kbps B channels

 Fiber Distributed Data Interface (FDDI)Fiber Distributed Data Interface (FDDI)
 Uses fiber-optic cableUses fiber-optic cable
 Uses token-passing media accessUses token-passing media access
 Dual-ring for redundancy and fault toleranceDual-ring for redundancy and fault tolerance
 Reaches 100Mbps at distance of two kilometersReaches 100Mbps at distance of two kilometers
 Asynchronous transfer Mode (ATM)Asynchronous transfer Mode (ATM)
 Packet-switching technologyPacket-switching technology
 Use fixed-length packets of 53bytesUse fixed-length packets of 53bytes
 Provides speeds from 1.544Mbps to 622MbpsProvides speeds from 1.544Mbps to 622Mbps
 Circuit-based network technologyCircuit-based network technology
 Switched virtual circuits (SVCs)Switched virtual circuits (SVCs)
 Permanent virtual circuits (PVCs0Permanent virtual circuits (PVCs0

 X.25X.25
 Packet-switchingPacket-switching
 Only 56KbpsOnly 56Kbps
 Frame relayFrame relay
 Packet-switching technologyPacket-switching technology
 Uses variable-length packetsUses variable-length packets
 Offers speeds starting at 56kbpsOffers speeds starting at 56kbps
 SONET/OC-x levelsSONET/OC-x levels
 Bell Communication Research developed SONETBell Communication Research developed SONET
 Optical Carrier (OC) levelsOptical Carrier (OC) levels
 OC-1OC-1 51.84Mbps51.84Mbps
 OC-3OC-3 155.52Mbps155.52Mbps
 OC-12OC-12 622.08Mbps622.08Mbps
 OC-24OC-24 1.244Gbps1.244Gbps
 OC-48OC-48 2.488Gbps2.488Gbps
 OC-192OC-192 9.953Gbps9.953Gbps

OSIOSI
Reference ModelReference Model

OSI Layer OverviewOSI Layer Overview

Why a Layered Network Model?Why a Layered Network Model?
 Reduces complexityReduces complexity
 Standardizes interfacesStandardizes interfaces
 Facilitates modular engineeringFacilitates modular engineering
 Ensures interoperableEnsures interoperable
technologytechnology
 Accelerates evolutionAccelerates evolution
 Simplifies teaching and learningSimplifies teaching and learning
Application
Presentation
Session
Transport
Network
Data Link
Physical1
2
3
4
5
6
7

Layer FunctionsLayer Functions
Application
Presentation
Session
Transport
Network
Data Link
Physical1
2
3
4
5
6
7 Network processes to applications
Data representation
Inter host communication
End-to-end connections
Addresses and best path
Access to media
Binary transmission

Peer-to-Peer CommunicationPeer-to-Peer Communication
Physical
Data Link
Network
Transport
Session
Presentation
Application
Physical
Data Link
Network
Transport
Session
Presentation
Application
segment
packet
frame
bit

Data EncapsulationData Encapsulation
Application
Presentation
Session
Transport
Network
Data Link
Physical
Host A
Application
Presentation
Session
Transport
Network
Data Link
Physical
Host B
Data
Network
Header
Data
Frame Frame
Header Trailer
Network
Header
Data
010010011010101

Upper Layer OverviewUpper Layer Overview

Application LayerApplication Layer
Word Processing
Spreadsheet
Database
Design/Manufacturing
Project Planning
Others
Electronic Mail
File Transfer
Remote Access
Client/Server Process
Network Management
Others
Electronic Data Interchange
World Wide Web
E-Mail Gateways
Special-Interest Bulletin Boards
Financial Transaction Services
Internet Navigation Utilities
Conferencing (Video, Voice, Data)
Others
Internetwork application can
extend beyond the enterprise

Presentation LayerPresentation Layer
• Text
• Data
ASCII
EBCDIC
Encrypted
• Graphics
• Visual Images
PICT
TIFF
JPEG
GIF• Sound
• Video
MIDI
MPEG
Quick Time
Provides code formatting and conversion for applications

Session LayerSession Layer
Network File System (NFS)
Structured Query Language (SQL)
Remote-Procedure Call (RPC)
X Window System
AppleTalk Session Protocol (ASP)
DNA Session Control Protocol (SCP)
Service Request
Service Reply
Coordinates applications as they interact on different hosts

Transport LayerTransport Layer
OverviewOverview

Transport LayerTransport Layer
 Segments upper-layer applicationsSegments upper-layer applications
 Establishes an end-to-end connectionEstablishes an end-to-end connection
 Sends segments from one end host to anotherSends segments from one end host to another
 Optionally, ensures data reliabilityOptionally, ensures data reliability

Segment Upper-LayerSegment Upper-Layer
ApplicationsApplications
Application
Presentation
Session
Transport segments share traffic stream
Transport Application
port
Data
Application
port
Data
Application
port
Data
Electronic
Mail
File
Transfer
Terminal
Session

Establishes ConnectionEstablishes Connection
SENDER RECEIVER
Synchronize
Negotiate Connection
Synchronize
Acknowledge
Connection Established
Negotiate Connection
(Send Segments)

Sends Segments with FlowSends Segments with Flow
ControlControl
Buffer Full
Process
Segments
Buffer OK
Stop
SENDER RECEIVER
Transmit
Not Ready
Ready
Resume Transmission
Go

Reliability with WindowingReliability with Windowing
Send 1
Window size = 1
SENDER RECEIVER
Send 2
Send 3
Recv 1
Ack 2
Recv 2
Ack 3
Send 1
Window size = 3
SENDER RECEIVER
Send 2
Send 3
Recv 1
Recv 2
Recv 3
Ack 4Send 4

Network Layer OverviewNetwork Layer Overview

Network Layer: PathNetwork Layer: Path
DeterminationDetermination
Layer 3 functions to find the best path through the
internetwork
Which Path?

Network Layer: CommunicateNetwork Layer: Communicate
PathPath
Addresses represent the path of media connections
1
2
3
4
5
6
7
8
9
10
11

Addressing: Network and HostAddressing: Network and Host
• Network address - Path part used by the router
• Host address - Specific port or device on the network
1.1
2.1
3.1
1.2
1.3
Network Host
1 1
2
3
2 1
3 1

Routing Uses Network AddressesRouting Uses Network Addresses
• Network portion of address used to make path selections
• Node portion of address refers to router port to the path
Destination
Network
Direction and
Router Port
1.0
2.0
3.0
1.1
2.1
3.1
1.0
3.1
3.0
2.1
2.0
1.1

Network-Layer ProtocolNetwork-Layer Protocol
OperationsOperations
X Y
A
B
C
Application
Presentation
Session
Transport
Network
Data Link
Physical
X
Network
Data Link
Physical
Network
Data Link
Physical
Network
Data Link
Physical
Application
Presentation
Session
Transport
Network
Data Link
Physical
Y
A B C
Each router provides its services to support upper-layer
functions

PhysicalPhysical
andand
Data LinkData Link
OverviewOverview

Physical and Data-Link TypesPhysical and Data-Link Types
Data Link
(frames)
Physical
(bits,
signals,
clocking)
E
t
h
e
r
n
e
t
802.2 LLC
8
0
2
.
3
8
0
2
.
5
F
D
D
I
Dial
on
Demand
SDLC HDLC
X.25
Frame
Relay
ISDN
PPP
V.24
EIA/TIA-232 G.703
V.35
EIA/TIA-449 EIA-530
HSSI
LAN WAN
Separate physical and data link layers for LAN and WAN

LAN Data Link SublayersLAN Data Link Sublayers
Network
Data Link
Physical
LLC
MAC
Logical Link Control
Media Access Control
MAC Frame 802.2 LLC Packet or Datagram
• LLC refers upward to higher-layer software functions
• MAC refers downward to lower-layer hardware functions

Physical and Logical AddressingPhysical and Logical Addressing
0000.0c12.3456

MAC AddressMAC Address
Vendor Code Serial Number
0000.0c12.3456
ROM
RAM
MAC address is burned into ROM on a network interface card
24 bits 24 bits

Finding the MAC AddressFinding the MAC Address
Broadcast
Host Z
MAC ? Host Z
ARP Request
Host Y Host Z
Host Y
MAC
Host Z
MAC
ARP ReplyExample 1 : TCP/IP destination local
Broadcast
Host Z
MAC ? Host Z
ARP Request
Host Y
Host Z
Host Y
MAC
Router
MAC
ARP ReplyExample 2 : TCP/IP destination
not local
Router A
Routing
Table:
Net for
Host Z
• An example: TCP/IP Address Resolution Protocol (ARP)
• ARP finds the MAC address for a data-link connection

WAN Technology OverviewWAN Technology Overview
SDLC
HDLC
LAPB
PPP
X.25
Frame Relay
ISDN

Physical Layer: WANPhysical Layer: WAN
DSU/CSU
EIA/TIA-232
V.35
X.21
HSSI
others
(Modem)
DTE
Data Terminal Equipment
End of the user’s device
on the WAN link
DCE
Data Circuit-Terminating
Equipment
End of the WAN provider’s
side of the communication facility

Data Link Layer: WANData Link Layer: WAN
ProtocolsProtocols
DSU/CSU
(Modem)
DSU/CSU
(Modem)
• SDLC - Synchronous Data Link Control
• HDLC - High-Level Data Link Control
• LAPB - Link Access Procedure Balanced
• Frame Relay - Simplified version of HDLC framing
• PPP - Point-to-point Protocol
• X.25 - Packet level protocol (PLP)
• ISDN - Integrated Services Digital Network (data-link signaling)

Dr. Kamal GulatiDr. Kamal Gulati
Associate Professor |Associate Professor |
University Quality Support Head |University Quality Support Head |
Mentoring Programme CoordinatorMentoring Programme Coordinator
[Ph. D., M.Sc. (Computer Science), M.C.A., M.B.A][Ph. D., M.Sc. (Computer Science), M.C.A., M.B.A]
Professional Certifications:Professional Certifications:
Certified Microsoft Innovative EducatorCertified Microsoft Innovative Educator
Data Science 101 Certification from Big Data UniversityData Science 101 Certification from Big Data University
R Language 101 Certification from Big Data UniversityR Language 101 Certification from Big Data University
SQL Certification from SOLOLEARN.comSQL Certification from SOLOLEARN.com
Certified IBM Big Data 101 from Big Data UniversityCertified IBM Big Data 101 from Big Data University
R Program & Python Certified from DataCampR Program & Python Certified from DataCamp
Wiley Certified Big Data Analyst [WCBDA]Wiley Certified Big Data Analyst [WCBDA]
Certification on DBMS from IIT MumbaiCertification on DBMS from IIT Mumbai
Certified Cisco Certified Network Associate [CCNA]Certified Cisco Certified Network Associate [CCNA]
Certified Microsoft Certified Professional [MCP]Certified Microsoft Certified Professional [MCP]
Certified Brainbench in Computer Fundamentals, Microsoft Access,Certified Brainbench in Computer Fundamentals, Microsoft Access, MySQL 5.7 AdministrationMySQL 5.7 Administration &&
Microsoft ProjectMicrosoft Project

• Worked asWorked as Visiting ProfessorVisiting Professor withwith Stratford UniversityStratford University,, USAUSA for six months fromfor six months from
Jan’2016 to June’2016.Jan’2016 to June’2016.
• Also worked atAlso worked at Bahrain University in Kingdom of BahrainBahrain University in Kingdom of Bahrain Sr. I.T. Faculty (ComputerSr. I.T. Faculty (Computer
Science Department) for Period of 2 Years.Science Department) for Period of 2 Years.
• Have rich experience in the field of teaching and research in Computer Science andHave rich experience in the field of teaching and research in Computer Science and
Information Technology for almostInformation Technology for almost 15+ years in Academia15+ years in Academia..
• Having experience of working with both private and public institutions and universitiesHaving experience of working with both private and public institutions and universities
as the lecturer andas the lecturer and self-instruction material writer for Information Technology coursesself-instruction material writer for Information Technology courses..
• Had number of research papers published in national and international journals andHad number of research papers published in national and international journals and
conference proceedings inconference proceedings in IEEE and Scopus IndexIEEE and Scopus Index..
• AlsoAlso chaired various National and International Conferences of repute and associatedchaired various National and International Conferences of repute and associated
with various International Journalswith various International Journals as Editorial Board Member for International andas Editorial Board Member for International and
National, Academic Adviser and Research Paper Reviewer.National, Academic Adviser and Research Paper Reviewer.
 My current area of interestMy current area of interest: Big Data Analytics, R Software, Management Information: Big Data Analytics, R Software, Management Information
System, IT Project Management, Decision Support System, Business Analytics,System, IT Project Management, Decision Support System, Business Analytics,
Database Management System, Data Networking and Advanced Excel with VisualDatabase Management System, Data Networking and Advanced Excel with Visual
Basic Macros.Basic Macros.
 Country VisitedCountry Visited: USA, Canada, UK, UAE, Bahrain, Oman (Mostly for Teaching and: USA, Canada, UK, UAE, Bahrain, Oman (Mostly for Teaching and
Research Purpose)Research Purpose)
Profile of Dr. Kamal Gulati

 Technical Program Committee for International Conference on Data, Engineering and ApplicationsTechnical Program Committee for International Conference on Data, Engineering and Applications
2017 (IDEA-2k17) which would be on October 28-29, 2017 at Bhopal.2017 (IDEA-2k17) which would be on October 28-29, 2017 at Bhopal. http://www.ideaconference.inhttp://www.ideaconference.in
 Advisory Board Committee Member for International Conference on Energy, Communication, DataAdvisory Board Committee Member for International Conference on Energy, Communication, Data
Analytics and Soft Computing (ICECDS) which would be on 1-2 August 2017 at SKR EngineeringAnalytics and Soft Computing (ICECDS) which would be on 1-2 August 2017 at SKR Engineering
College, Poonamallee, Tamil Nadu, India.College, Poonamallee, Tamil Nadu, India. http://ecds.org.inhttp://ecds.org.in
 Advisory Committee Member for International Conference on Innovative Research in EngineeringAdvisory Committee Member for International Conference on Innovative Research in Engineering
and Science which would be on 16-17 June 2017 at Asian Institute of Technology Conference Centerand Science which would be on 16-17 June 2017 at Asian Institute of Technology Conference Center
Thailand.Thailand. http://www.iresconf.orghttp://www.iresconf.org
 Advisory Committee Member for International Conference on Cloud Computing and Internet ofAdvisory Committee Member for International Conference on Cloud Computing and Internet of
everything which held on 10-11 Feb’2016 at Delhi-NCR.everything which held on 10-11 Feb’2016 at Delhi-NCR. http://www.ccioet.orghttp://www.ccioet.org
 Technical Committee member for InCITe-2016 (International Conference on InformationTechnical Committee member for InCITe-2016 (International Conference on Information
Technology) Theme - Internet of Things: Connect Your Worlds, IT Summit, Amity University 2016Technology) Theme - Internet of Things: Connect Your Worlds, IT Summit, Amity University 2016
which held on 06-07 Oct, 2016.which held on 06-07 Oct, 2016. http://www.amity.edu/incite2016http://www.amity.edu/incite2016
 Technical Speaker for Global perspective on IT business “The Changing Scenario” – Big Data onTechnical Speaker for Global perspective on IT business “The Changing Scenario” – Big Data on
International Students Conference New Delhi (ISCND) which held on 14-15 Oct, 2016International Students Conference New Delhi (ISCND) which held on 14-15 Oct, 2016
http://iscnd.comhttp://iscnd.com
 Advisory Committee Member for International Conference on Sustainable Computing Techniques inAdvisory Committee Member for International Conference on Sustainable Computing Techniques in
Engineering, Science and Management which has held on 09-10 Sep’2016 at Delhi-NCR.Engineering, Science and Management which has held on 09-10 Sep’2016 at Delhi-NCR.
http://www.scesm.orghttp://www.scesm.org
 Technical Program Committee Member for Program Committee Member for International ConferenceTechnical Program Committee Member for Program Committee Member for International Conference
on Recent Trends IN ICT, Jaipur, India, Aug 18-19, 2017on Recent Trends IN ICT, Jaipur, India, Aug 18-19, 2017 http://rtict.orghttp://rtict.org
 Program Committee Member for International Conference on Recent Advancement in Computer andProgram Committee Member for International Conference on Recent Advancement in Computer and
Communication Bhopal, India, (IC-RAC-2017) May 26-27, 2017Communication Bhopal, India, (IC-RAC-2017) May 26-27, 2017 http://www.icrac.co.inhttp://www.icrac.co.in
Profile Contd….Profile Contd….

 Editorial Board member for the following International Journals:Editorial Board member for the following International Journals:
 International Journal of Computer Science and InnovationInternational Journal of Computer Science and Innovation
http://www.infinitysciences.orghttp://www.infinitysciences.org
 International Journal of Latest Research in Engineering andInternational Journal of Latest Research in Engineering and
TechnologyTechnology http://www.ijlret.comhttp://www.ijlret.com
 International Journal of Latest Trends in Engineering and TechnologyInternational Journal of Latest Trends in Engineering and Technology
http://www.ijltet.orghttp://www.ijltet.org
 InternationalInternational JournalJournal ofof ApplicationApplication oror InnovationInnovation
inin EngineeringEngineering && ManagementManagement http://www.ijaiem.orghttp://www.ijaiem.org
 International Journal for ManagementInternational Journal for Management http://www.ijm-apm.comhttp://www.ijm-apm.com
 ITM International Journal of Innovations in Science, Engineering &ITM International Journal of Innovations in Science, Engineering &
ManagementManagement www.iijisem.orgwww.iijisem.org
 The International Journal of Emerging Engineering and EmbeddedThe International Journal of Emerging Engineering and Embedded
SystemsSystems http://www.ijeees.orghttp://www.ijeees.org
 Conference InfoConference Info http://conferenceinfo.org/tpc.phphttp://conferenceinfo.org/tpc.php
 International Journal of Computer Engineering in Research TrendsInternational Journal of Computer Engineering in Research Trends
(IJCERT)(IJCERT) http://www.ijcert.orghttp://www.ijcert.org

Expert Speaker for Program “Insurance Beyond Doubt” Presented by Oriental Insurance Co Ltd.Expert Speaker for Program “Insurance Beyond Doubt” Presented by Oriental Insurance Co Ltd.
https://www.youtube.com/watch?v=GrvJkN_Zn3Qhttps://www.youtube.com/watch?v=GrvJkN_Zn3Q
Profile Contd….Profile Contd….

BOOK, CHAPTER, and CASE STUDY PublishedBOOK, CHAPTER, and CASE STUDY Published
 Published Book on “A Study of Changing Trends in E-CRM ofPublished Book on “A Study of Changing Trends in E-CRM of
Indian Insurance Industry” Published by LAP LambertIndian Insurance Industry” Published by LAP Lambert
Academic Publishing, one of the top researchers and renownedAcademic Publishing, one of the top researchers and renowned
scientists of Germany with ISBN: 3330009543,scientists of Germany with ISBN: 3330009543,
9783330009547. The Book available at Amazon.com.9783330009547. The Book available at Amazon.com.
 Published Real Case Study on “IoT Security Considerations forPublished Real Case Study on “IoT Security Considerations for
Higher Education” published on Business Cases - RENVOIHigher Education” published on Business Cases - RENVOI
2017 BOOK (The Case Centre, UK) with ISBN: 978-1-4828-2017 BOOK (The Case Centre, UK) with ISBN: 978-1-4828-
8840-9, Page 63-70. The Book available at the various online8840-9, Page 63-70. The Book available at the various online
website: Amazon, AbeBooks, Chegg, Barnes & Noble.website: Amazon, AbeBooks, Chegg, Barnes & Noble.
 Published Chapter on "Role of eWorld in InsurancePublished Chapter on "Role of eWorld in Insurance
Innovation" Published by Insurance Institute of India (III), 60Innovation" Published by Insurance Institute of India (III), 60
Years Diamond Jubilee, Compendium, Nov 2016 – (Magazine)Years Diamond Jubilee, Compendium, Nov 2016 – (Magazine)
– One of the premium Insurance Institute of India.– One of the premium Insurance Institute of India.

Contact DetailsContact Details
 Email : drkamalgulati@gmail.comEmail : drkamalgulati@gmail.com
 Website :Website : http://mybigdataanalytics.inhttp://mybigdataanalytics.in
 LinkedIn :LinkedIn : https://in.linkedin.com/in/drkamalgulatihttps://in.linkedin.com/in/drkamalgulati

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