1. Email - htewari@cs.tcd.ie
Computer Networks
Hitesh Tewari
Room - F.38 ORI
Tel -

2. Course Details Course duration Examination 9 weeks
3 hrs of lectures/week
Tuesday 7-10pm in M21
Examination
June Exam counts for 80% of marks
Exam paper consists of 2 sections
Required to attempt at least 2 questions from each section and the third from either
Coursework comprises of 20% of marks

3. Course Outline Introduction Physical Layer Data Link Layer
Computer Networks
Standards Bodies
OSI Reference Model
Peer-to-Peer Communications
Physical Layer
Encoding Schemes
RS-232 Interface
Modems
Circuit and Packet Switching
ADSL
Data Link Layer
Asynchronous and Synchronous Transmission
Character and Bit Oriented Framing
Flow Control
Error Control
SLIP & PPP

4. Course Outline Local Area Network Protocols High Speed Networks
Transmission Techniques
Network Topologies
The IEEE 802 Standard
Ethernet (IEEE 802.3)
Token Ring (IEEE 802.5)
High Speed Networks
The Need for High Speed LANs
Fast Ethernet (IEEE 802.3u)
VG-anyLAN (IEEE )
LAN Switching
FDDI
Security Issues
Classical Cryptography
Symmetric Key Cryptography
Asymmetric Key Cryptography
Digital Signatures
X.509 Certificates
Electronic Payment Systems

5. Course Outline The Internet Suite of Protocols Broadband Issues
Internet Protocol (IP)
ARP and RARP
Routing Issues
Addressing & Subnets
User Datagram Protocol (UDP)
Transmission Control Protocol (TCP)
IPv6
Broadband Issues
ISDN
B-ISDN
ATM

6. Text Books Computer Networks, 3rd Ed.,
Andrew Tanenbaum, Prentice Hall
Data Communications, Computer Networks & Open Systems, 4th Ed.,
Fred Halsall, Addison Wesley
Data & Computer Communications, 5th Ed.,
William Stallings, Prentice Hall
Electronic Payment Systems, 2nd Ed.,
Donal O’Mahony et al., Artech House
Interworking with TCP/IP, Vol 1; Principles, Protocols and Architecture, 3rd Ed.,
Douglas E. Comer, Prentice Hall