COMPUTER NETWORKS
[R15A0513]
LECTURE NOTES
B.TECH III YEAR – II SEM (R15)
(2019-20)
DEPARTMENT OF
COMPUTER SCIENCE AND ENGINEERING
MALLA REDDY COLLEGE OF ENGINEERING &
TECHNOLOGY
(Autonomous Institution – UGC, Govt. of India)
Recognized under 2(f) and 12 (B) of UGC ACT 1956
(Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC – ‘A’ Grade - ISO 9001:2015 Certified)
Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad – 500100, Telangana State, India
,III Year B. Tech. CSE –II Sem L T/P/D C
4 1/- / - 3
(R15A0513) Computer Networks
Objectives:
To introduce the fundamental types of computer networks.
To demonstrate the TCP/IP & OSI model merits & demerits.
To know the role of various protocols in Networking
UNIT - I:
Introduction: Network, Uses of Networks, Types of Networks, Reference Models: TCP/IP
Model, The OSI Model, Comparison of the OSI and TCP/IP reference model. Architecture of
Internet.
Physical Layer: Guided transmission media, Wireless transmission media, Switching
UNIT - II:
Data Link Layer - Design issues, Error Detection & Correction, Elementary Data Link Layer
Protocols, Sliding window protocols
Multiple Access Protocols - ALOHA, CSMA,CSMA/CD, CSMA/CA, Collision free protocols,
Ethernet- Physical Layer, Ethernet Mac Sub layer, Data link layer switching: Use of bridges,
learning bridges, spanning tree bridges, repeaters, hubs, bridges, switches, routers and
gateways.
UNIT - III:
Network Layer: Network Layer Design issues, store and forward packet switching connection
less and connection oriented networks-routing algorithms-optimality principle, shortest path,
flooding, Distance Vector Routing, Count to Infinity Problem, Link State Routing, Path Vector
Routing, Hierarchical Routing; Congestion control algorithms, IP addresses, CIDR, Subnetting,
SuperNetting, IPv4, Packet Fragmentation, IPv6 Protocol, Transition from IPv4 to IPv6, ARP,
RARP.
UNIT - IV:
Transport Layer: Services provided to the upper layers elements of transport protocol
addressing connection establishment, Connection release, Error Control & Flow Control, Crash
Recovery.
The Internet Transport Protocols: UDP, Introduction to TCP, The TCP Service Model, The TCP
Segment Header, The Connection Establishment, The TCP Connection Release, The TCP Sliding
Window, The TCP Congestion Control Algorithm.
UNIT - V: Application Layer- Introduction, providing services, Applications layer paradigms:
Client server model, HTTP, E-mail, WWW, TELNET, DNS; RSA algorithm,
TEXT BOOKS:
1. Computer Networks - Andrew S Tanenbaum, 4th Edition, Pearson Education.
2. Data Communications and Networking - Behrouz A. Forouzan, Fifth Edition TMH, 2013.
,REFERENCES BOOKS:
1. An Engineering Approach to Computer Networks - S. Keshav, 2nd Edition, Pearson Education.
2. Understanding communications and Networks, 3rd Edition, W. A. Shay, Cengage Learning.
3. Computer Networking: A Top-Down Approach Featuring the Internet, James F. Kurose, K. W.
Ross, 3rd Edition, Pearson Education.
Outcomes:
Students should be understand and explore the basics of Computer Networks and
Various Protocols.
Student will be in a position to understand the World Wide Web concepts.
Students will be in a position to administrate a network and flow of information further
Student can understand easily the concepts of network security, Mobile
, INDEX
TOPIC PAGE NO
UNIT NO
INTRODUCTION TO NETOWRKS 1
TYPES OF NETWORKS, 4
I
INTRODUCTION TO PYSICAL LAYER 18
COMPARISON OF OSI AND TCP/IP 25
PROTOCOLS
DATA LINK LAYER DESIGN ISSUES 35
II SLIDI NG WINDOW PROTOCOLS 41
MULTIPLE ACCESS PROTOCOLS 49
NETWORK LAYER DESIGN ISSUES 78
III CONNECTION LESS AND CONNECTION 80
ORIENTED PROTOCOLS
81
ROUTING PROTOCOLS,IP ADDRESS
TRANSPORT LAYER SERVICES 101
IV PROVIDED
THE INTERNET TRANSPORT 130
PROTOCOLS
APPLICATION LAYER SERVICES 249
V
APPLICATIONS LAYER PARADISMS 256
[R15A0513]
LECTURE NOTES
B.TECH III YEAR – II SEM (R15)
(2019-20)
DEPARTMENT OF
COMPUTER SCIENCE AND ENGINEERING
MALLA REDDY COLLEGE OF ENGINEERING &
TECHNOLOGY
(Autonomous Institution – UGC, Govt. of India)
Recognized under 2(f) and 12 (B) of UGC ACT 1956
(Affiliated to JNTUH, Hyderabad, Approved by AICTE - Accredited by NBA & NAAC – ‘A’ Grade - ISO 9001:2015 Certified)
Maisammaguda, Dhulapally (Post Via. Hakimpet), Secunderabad – 500100, Telangana State, India
,III Year B. Tech. CSE –II Sem L T/P/D C
4 1/- / - 3
(R15A0513) Computer Networks
Objectives:
To introduce the fundamental types of computer networks.
To demonstrate the TCP/IP & OSI model merits & demerits.
To know the role of various protocols in Networking
UNIT - I:
Introduction: Network, Uses of Networks, Types of Networks, Reference Models: TCP/IP
Model, The OSI Model, Comparison of the OSI and TCP/IP reference model. Architecture of
Internet.
Physical Layer: Guided transmission media, Wireless transmission media, Switching
UNIT - II:
Data Link Layer - Design issues, Error Detection & Correction, Elementary Data Link Layer
Protocols, Sliding window protocols
Multiple Access Protocols - ALOHA, CSMA,CSMA/CD, CSMA/CA, Collision free protocols,
Ethernet- Physical Layer, Ethernet Mac Sub layer, Data link layer switching: Use of bridges,
learning bridges, spanning tree bridges, repeaters, hubs, bridges, switches, routers and
gateways.
UNIT - III:
Network Layer: Network Layer Design issues, store and forward packet switching connection
less and connection oriented networks-routing algorithms-optimality principle, shortest path,
flooding, Distance Vector Routing, Count to Infinity Problem, Link State Routing, Path Vector
Routing, Hierarchical Routing; Congestion control algorithms, IP addresses, CIDR, Subnetting,
SuperNetting, IPv4, Packet Fragmentation, IPv6 Protocol, Transition from IPv4 to IPv6, ARP,
RARP.
UNIT - IV:
Transport Layer: Services provided to the upper layers elements of transport protocol
addressing connection establishment, Connection release, Error Control & Flow Control, Crash
Recovery.
The Internet Transport Protocols: UDP, Introduction to TCP, The TCP Service Model, The TCP
Segment Header, The Connection Establishment, The TCP Connection Release, The TCP Sliding
Window, The TCP Congestion Control Algorithm.
UNIT - V: Application Layer- Introduction, providing services, Applications layer paradigms:
Client server model, HTTP, E-mail, WWW, TELNET, DNS; RSA algorithm,
TEXT BOOKS:
1. Computer Networks - Andrew S Tanenbaum, 4th Edition, Pearson Education.
2. Data Communications and Networking - Behrouz A. Forouzan, Fifth Edition TMH, 2013.
,REFERENCES BOOKS:
1. An Engineering Approach to Computer Networks - S. Keshav, 2nd Edition, Pearson Education.
2. Understanding communications and Networks, 3rd Edition, W. A. Shay, Cengage Learning.
3. Computer Networking: A Top-Down Approach Featuring the Internet, James F. Kurose, K. W.
Ross, 3rd Edition, Pearson Education.
Outcomes:
Students should be understand and explore the basics of Computer Networks and
Various Protocols.
Student will be in a position to understand the World Wide Web concepts.
Students will be in a position to administrate a network and flow of information further
Student can understand easily the concepts of network security, Mobile
, INDEX
TOPIC PAGE NO
UNIT NO
INTRODUCTION TO NETOWRKS 1
TYPES OF NETWORKS, 4
I
INTRODUCTION TO PYSICAL LAYER 18
COMPARISON OF OSI AND TCP/IP 25
PROTOCOLS
DATA LINK LAYER DESIGN ISSUES 35
II SLIDI NG WINDOW PROTOCOLS 41
MULTIPLE ACCESS PROTOCOLS 49
NETWORK LAYER DESIGN ISSUES 78
III CONNECTION LESS AND CONNECTION 80
ORIENTED PROTOCOLS
81
ROUTING PROTOCOLS,IP ADDRESS
TRANSPORT LAYER SERVICES 101
IV PROVIDED
THE INTERNET TRANSPORT 130
PROTOCOLS
APPLICATION LAYER SERVICES 249
V
APPLICATIONS LAYER PARADISMS 256
