COMPUTER NETWORKS
CT….
Lecture :
3 Year : IV
Tutorial : 1 Part : I
Practical : 3
Course
Objective:
To understand the
concepts of computer networking, functions of different layers and protocols,
and know the idea of IPV6 and security.
1.
Introduction to Computer Network (5
hours)
1.1
Uses of Computer
Network
1.2
Networking model client/server,
p2p, active network
1.3
Protocols and
Standards
1.4
OSI model and TCP/IP
model
1.5
Comparison of OSI and
TCP/IP model
1.6
Example network: The
Internet, X.25, Frame Relay, Ethernet, VoIP, NGN and MPLS, xDSL.
2.
Physical Layer (5
hours)
2.1
Network monitoring:
delay, latency, throughput
2.2
Transmission media:
Twisted pair, Coaxial, Fiber optic, Line-of-site, Satellite
2.3
Multiplexing, Circuit
switching, Packet switching, VC Switching, Telecommunication switching system
(Networking of Telephone exchanges)
2.4
ISDN: Architecture,
Interface, and Signaling
3.
Data Link Layer (5
hours)
3.1
Functions of Data link
layer
3.2
Framing
3.3
Error Detection and
Corrections,
3.4
Flow Control
3.5
Examples of Data Link
Protocol, HDLC, PPP
3.6
The Medium Access
Sub-layer
3.7
The channel allocation
problem
3.8
Multiple Access Protocols
3.9
Ethernet,
3.10
Networks: FDDI, ALOHA,
VLAN, CSMA/CD, IEEE 802.3, 802.4, 802.5, and 802.11.
4.
Network Layer (9
hours)
4.1
Internetworking
&devices: Repeaters, Hubs, Bridges, Switches, Router, Gateway
4.2
Addressing: Internet
address, classful address
4.3
Subnetting
4.4
Routing: techniques,
static vs. dynamic routing , routing table for classful address
4.5
Routing Protocols:
RIP, OSPF, BGP, Unicast and multicast routing protocols
4.6
Routing algorithms:
shortest path algorithm, flooding, distance vector routing, link state routing;
Protocols: ARP, RARP, IP, ICMP
5.
Transport Layer (5
hours)
5.1
The transport service:
Services provided to the upper layers
5.2
Transport protocols:
UDP, TCP
5.3
Port and Socket
5.4
Connection
establishment, Connection release
5.5
Flow control &
buffering
5.6
Multiplexing & de-multiplexing
5.7
Congestion control
algorithm: Token Bucket and Leaky Bucket
6.
Application Layer (5
hours)
6.1
Web: HTTP & HTTPS
6.2
File Transfer: FTP,
PuTTY, WinSCP
6.3
Electronic Mail: SMTP,
POP3, IMAP
6.4
DNS
6.5
P2PApplications
6.6
Socket Programming
6.7
Application server
concept: proxy caching, Web/Mail/DNS server optimization
6.8
Concept of traffic
analyzer: MRTG, PRTG, SNMP, Packet tracer, Wireshark.
7.
Introduction to IPV6 (4
hours)
7.1
IPv6- Advantages
7.2
Packet formats
7.3
Extension headers
7.4
Transition from IPv4
to IPv6: Dual stack, Tunneling, Header Translation
7.5
Multicasting
8.
Network Security (7
hours)
8.1
Properties of secure
communication
8.2
Principles of cryptography: Symmetric Key and
Public Key
8.3
RSA Algorithm,
8.4
Digital Signatures
8.5
Securing e-mail (PGP)
8.6
Securing TCP connections (SSL)
8.7
Network layer security (IPsec, VPN)
8.8
Securing wireless LANs (WEP)
8.9
Firewalls: Application Gateway and Packet
Filtering, and IDS
Practical:
1. Network
wiring and LAN setup
2. Router
Basic Configuration
3. Static and
Dynamic Routing
4. Creating
VLAN
5. Router
access-list configuration
6. Basic
Network setup on Linux
7. Setup
of Web Server, DNS Server, DHCP Server
8. Virtualizations
References:
1. A.S.
Tanenbaum, “Computer Networks”, 3rd Edition, Prentice Hall India,
1997.
2. W.
Stallings, “Data and Computer Communication”, Macmillan Press, 1989.
3. Kurose
Ross, “Computer Networking: A top down approach”, 2nd Edition,
Pearson Education
4. Larry L.
Peterson, Bruce S. Davie, “Computer Networks: A Systems Approach”, 3rd
Edition, Morgan Kaufmann Publishers
Evaluation
Scheme:
The
questions will cover all the chapters of the syllabus. The evaluation scheme
will be as indicated in the table below.
|
Chapters
|
Hour
|
Marks
Distribution*
|
|
1
|
5
|
8
|
|
2
|
5
|
8
|
|
3
|
5
|
8
|
|
4
|
9
|
16
|
|
5
|
5
|
8
|
|
6
|
5
|
8
|
|
7
|
4
|
8
|
|
8
|
7
|
16
|
|
Total
|
45
|
80
|
*There
may be minor deviation in marks distribution
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