University of Gujrat
Department of Information Technology
Title Internet Architecture and Protocols
Code IT-313
Credit Hours 3.0
Prerequisite Data Communication and Computer Networks
Sohaib-Ul-Hassan
Instructor
To strengthen the concepts of TCP/IP Protocol Suite.
Aims and Objectives To understand the design philosophy of the Internet and its
basic architectural components.
To provide in-depth knowledge of major Internet technologies.
To understand the components of Internet service provider and
its role in Internet architecture.
To provide comprehensive knowledge and implementation of
routing protocols.
To introduce the basic concepts of real time communications.
Test Books 1. CCNA Cisco Certified Network Associate by Todd Lammle, 4th
edition, Sybex, BPB Publications
Reference Books 1. “TCP/IP Protocol Suite” by Behrouz A. Forouzan, Second
Edition, McGraw-Hill.
2. “Computer Networking A Top-Down Approach Featuring the
Internet” by James F. Kurose and Keith W. Ross, Third
Edition, 2005.
3. “Computer Networking with Internet Protocols and
Technology” by William Stallings, Pearson Education, 2004.
4. “Internetworking with TCP/IP Volume I: Principles, Protocols
and Architecture” by Douglas E. Comer, Prentice Hall, 2001.
5. “Cisco Press CCNA ICND 2004”
6. “Administering CISCO QoS in IP Networks”
7. “Voice Over IP Fundamentals” by Cisco Systems
8. “Data Communications and Networks” by William Stallings,
Prentice Hall, Seventh Edition, 2004
9. “Data Communications and Networking” by Behrouz A.
Forouzan, Fourth Edition, McGraw-Hill.
10. “Computer Networks” by Andrew S. Tanenbaum, Fourth
Edition, Prentice Hall, 2003.
Assessment Criteria Sessional 20% Mid 20% Final 60%
Quizzes 10%
Assignments 5%
Presentation 5%
Sixteen-week lecture plan
Week Lecture Topic
Introduction:
1 Course Outline Overview, What is the Internet, The Network Edge and Core,
Access Networks and Physical Media.
1
Overview:
2 ISPs and Internet Backbones, History of Computer Networking and the
Internet.
The Need for a Layered Architecture:
3
OSI Model, Tasks of Different Layers in OSI model
2
Overview of TCP/IP:
4
Internet Protocol (IP), Header Detail of IPv4
IP Addressing:
5
Internet Address, Class full Addressing, Classes and Blocks, Masking
3
Subnetting:
6
Subnetting, Classless Addressing, Variable Length Blocks
Internetworking Devices:
7
Hubs, Bridges, Switches, Routers
4 Process-to- Process Communication:
8 Client-Server Model, Addressing at Transport Layer, Connection Oriented
Vs Connectionless Service, Reliable Vs Unreliable, User Datagram Protocol
(UDP)
Process to Process Communication and Application Layer:
9
Transmission Control Protocol (TCP)
5
Over view of Circuit Switching and Packet Switch:
10 Circuit switching Principles, Packet Switching Principles, Datagram, Virtual
Circuits, Switched Virtual Circuit (SVC), Permanent Virtual Circuit (PVC)
Delays in Packet Switch Network:
11 Delay and Loss in Packet Switched Networks, Protocol Layers and Their
Service Models,
6
Point-to-Point Protocol (Dial-Up technology):
12 PPP Components (Encapsulation, LCP, NCP), PPP Frame Format, SLIP vs.
PPP.
Integrated Services Digital Network (ISDN):
13 ISDN Architecture, ISDN Devices, ISDN Channels (B, D, H), ISDN
Services (BRI, PRI), T1, E1 Lines.
7 Frame Relay:
Frame Relay Devices, Frame Relay Virtual Circuits, Data Link Connection
14 Identifiers (DLCIs), Frame Relay Congestion Control (FECN, BECN, DE),
Local Management Interface (LMI), Frame Relay Frame Format, Committed
Information Rate (CIR), X.25 vs. Frame Relay.
8 15, 16 MID Term Exam
Asynchronous Transfer Mode Switching (ATM):
17 ATM as a Backbone Technology, ATM Devices, ATM Network Interfaces,
ATM Cell Header Format (UNI, NNI Frame Formats), ATM Services (SVC,
PVC), ATM Virtual Connections (Virtual Paths, Circuits).
9
Asynchronous Transfer Mode Switching (ATM):
18 ATM Reference Model, ATM Connection Establishment, LAN Emulation
(LANE), ATM Classes of Service (CBR, VBR, ABR, UBR).
Cable Modem Technology:
19 Early Cable Television System, Cable Access Equipment (Cable Modem,
Splitter etc.), Hybrid Fiber Coax (HFC) System, Internet Over Cable, HFC
vs. Telephone System, DOCSIS, Cable Modem vs. DSL.
10
ISP Architecture and Components:
20 ISP Architecture (Access Networks, Server Farms, Backbone Networks),
Remote Access Server (RAS), Dynamic Host Configuration Protocol
(DHCP), AAA Servers, Domain Name System (DNS).
ISP Architecture and Components:
Cache Engine, FTP Servers, Value Added Services (Web Server, Mail
21 Server), Setup Between PTCL Exchange and ISP, Role of Pakistan Internet
Exchange for IP Connectivity, ISP Point of Presence (POP) Architecture,
11 ISP Categories (Backbone, National, Local Providers)
Routing Basics:
22 Introduction to Routers, Basic Router Components (Memory, Interfaces),
Basic Commands, Exec modes, Routing Table, Static vs. Dynamic Routes.
Implementation of Basic Commands:
23
The Cisco Router User Interface, Command line Interface
12
Distance Vector Routing Protocols:
24 Distance Vector Protocols Overview, Routing Information Protocol (RIP),
RIP Metric / Path Selection Criteria, RIP1 vs. RIP2, Configuring RIP.
Distance Vector Routing Protocols:
25 Administrative Distance, Interior Gateway Routing Protocol (IGRP), IGRP
Metric / Path Selection Criteria, Configuring IGRP.
13
Implementation of Routing Protocols:
26
RIP, IGRP, OSPF.
Link State Routing Protocols:
27
Open Shortest Path First (OSPF), How it Works?
14
OSPF Areas, Types of Routers in OSPF, OSPF Metric, Link State
28
Advertisements (LSAs), Configuring OSPF.
Managing Traffic with Access Lists:
29 Introduction, Standard Access Lists, Wildcard Masking, Example,
Controlling VTY
15
Managing Traffic with Access Lists:
30
Extended Access Lists, Example, Monitoring Access Lists
31 Exercise of ACL through different scenarios
16
32 Revision of Course through Q & A
