| Course Status : | Completed |
| Course Type : | Core |
| Language for course content : | English |
| Duration : | 15 weeks |
| Category : |
|
| Credit Points : | 4 |
| Level : | Undergraduate |
| Start Date : | 01 Jul 2021 |
| End Date : | 31 Oct 2021 |
| Enrollment Ends : | 15 Sep 2021 |
| Exam Date : | 07 Nov 2021 IST |
Note: This exam date is subject to change based on seat availability. You can check final exam date on your hall ticket.
Introduction to Computer Networks and Internet protocols | |
CC: Prof. Bhushan Trivedi, Ph.D.Host University: Gujarat University Ahmedabad | |
Module Number | Content |
1. | Introduction to computer networks and TCP/IP Protocols, The TCP/IP protocol suit and the TCP/IP model |
2. | The concept of layering, The job of each layer, Connectionless vs. Connection oriented communication and services. TCP as CO service over CL connection and UDP as CL service over CL connection. |
3. | Complete communication process, an email and a web access communication over TCP/IP network. Showcasing how SMTP and HTTP works at each layer in a brief. |
4. | Computer Networks and its fundamentals, definition of the network, its characteristics, network components and network connections. |
5. | Modern network demands, packet classification, services using packet classification process, Conventional network model and modern network model based on service based on packet classification. |
6. | Variety of modern Networks having non computers as members, wired and wireless sensor networks, networks based on IOT devices, Home networks, Smart city networks. Big Data problems associated with these networks |
7. | Relation between the Bandwidth and the data rate of a channel, Data communication process and its ingredients, maximum data rate of a channel based on bandwidth of the channel and other parameters |
8. | The need for the signalling process for data communication, Analog and digital signalling , analog and digital data. Amplitude, frequency and phase modulation and their use in data communication |
9. | Data communication and the physical layer, the duties of physical layer, how analog and digital signalling is used for data communication at the physical layer, the process of multiplexing, demultiplexing and errors. Introduction to EM Spectrum |
10. | The EM spectrum, Radio, microwave and other types of waves. The frequencies used by different portions of the spectrum; frequency bands, characteristics of each of the portions and consequences. The relation between data communication and the frequency bands. |
11. | Wired and wireless physical layers, UTP, FO cables and their use in data communication, total internal reflection principle and difference between UTP and FO cables Hidden and exposed stations problem for wireless data communication and their solution. |
12. | 802.11,16 and xDSL physical layers, Wireless LAN 802.11, multiple standards and versions of 802.11, 802.11a,802.11b,802.11g,802.11n, 802.11ac, OFDM, OFDMA and Discrete multitone |
13. | The Data link layer duties, error handling process, introduction to CRC |
14. | Error correction and other jobs of Data Link Layer, Hamming distance, hamming code, error correction vs. error detection, Convolution, Reed-Solomon, LDPC and Turbo codes |
15. | Communication at data link and transport layers, need for protocols, sliding windows, Go back n and Selective repeat strategies for communication |
16. | Medium Access Sublayer, The Ethernet: The need for MAC layer, Introduction to Ethernet, Gigabit and 10G Ethernet, Dual speed cards and auto negotiation |
17. | The Medium Access Sublayer:802.11 (Wi-Fi) –I, MAC layer, DCF and PCF Mode; i.e. ad hoc and infrastructure modes, CSMA/CA, Fragmentation, service primitives for infrastructure mode |
18. | The Medium Access Sub Layer 802.11 Wi-Fi – II, extensions to 802.11, 802.11 frame structure, inter cell and intra cell transmission process |
19. | Connecting LANs, Virtual LAN and 802.1Q, self-learning switches, interconnecting LANs, challenges and solutions for virtual LAN, 802.1Q standard |
20. | Addressing in networks, IPv4 addressing mechanism, subletting and CIDR, managing addressing with CIDR. |
21. | The difference between IPv4 and IPv6 addressing mechanism. Advantage offered by the IPv6. Different addressing mechanisms used by IPv6. |
22. | Network layer: services, accounting, addressing in TCP/IP Network layer, routing and forwarding, connectionless and connection oriented forwarding, advantage of connecting networks at network layer |
23. | Network layer: routing, what a router contains, routing algorithms How routing is performed in TCP/IP networks, link state algorithm, two phases of LS algorithm, how best path is decided |
24. | Routing in MANets and the Exterior routing, the challenges in MANet Routing, AODV routing, the difference in exterior routing, hot potato and interior routing used in exterior routing process, multicast and broadcast routing |
25. | Congestion at Network layer and MPLS, Congestion, congestion control, how tag based routing is performed in MPLS Routes, how switching based on tags is done in networks, how MPLS works, what are the challenges in implementing MPLS |
26. | Transport layer services, The transport layer, it’s duties, different categories and types of transport layer services, how TCP manages connections, flow control and estimation of round trip time, how retransmission timer is managed at TCP |
27. | TCP Timers and delayed duplicates problem in TCP, types of timers TCP normally uses, delayed duplicates, handshake process is managed and errors are handled at TCP, Tomlinson’s solution and the need for the three-way handshake |
28. | 29. Connection management with TCP, connection release process, asymmetric and symmetric connection release process, congestion control, implicit and explicit congestion control methods, slow start, AIMD, fast recovery and fast retransmit, explicit congestion notification |
29. | Introduction to UDP, a connectionless service mechanism over a connectionless delivery system |
30. | Introduction to SCTP, a transport layer better suited for a multimedia traffic |
31. | Application Layer, Domain Name Service, Application layer, introduction to DNS and the process of name resolution, resource records |
32. | Resource Records in DNS and introduction to FTP, different types of resource records, How FTP works, control and data connections, passive FTP extensions |
33. | The Hypertext Transfer Protocol (HTTP), The WWW and HTTP request and response, persistent connection, cookies and session variables |
34. | Simple Mail Transfer Protocol (SMTP), The Email system and SMTP protocol, Internet mail standards, POP3 and IMAP |
35. | Internet of Things, sensing, monitoring and control, intelligent embedded devices, M2M, 802.15.4, mesh networks, why IoT devices prefer mesh networks, interactivity and communication needs |
36. | Mesh Networks and IPv6 over Mesh, Why IoT devices need spectate routing protocols, mesh-under and route-over approaches, The reason IPv6 is chosen for mesh, configuring IPv6 solutions for Mesh, 6LowPAN and related issues |
37. | Other protocols for IoT, RPL, how routing is performed for storing and non-storing node, DOADG, Construction of DOADG and the role of central router, need of source routing and other refinements for processing. using protocols like mDNS, DNS-SD, PANA, etc. |
38. | Software Defined Networks (SDN) , Paths and connections, Separation of data and control, connection oriented networks and routing overlays, SDN as a combined solution |
39. | SDN implementation, Vendor specific solution problems, controllers and forwarding devices, communication need between controllers and other devices and external controllers, methods for implementing SDN |
40. | SDN architecture and OpenFlow, SDN architecture, Northbound and southbound APIs, how separation is managed, what is the idea of OPEN solutions, OpenFlow Technology, Basics, messages, usage, specific fields, software defined radios |
Week | Modules to be covered | Name |
1 | 1,2,3 | Introduction |
2 | 4,5,6 | Fundamentals and current situation |
3 | 7,8,9 | Physical layer prerequisites |
4 | 10, 11,12 | Physical layer |
5 | 13,14,15, | Data link layer |
6 | 16,17,18,19 | MAC layer |
7 | 20,21,22 | Network layer-1 |
8 | Break | |
9 | 23,24,25 | Network Layer-2 |
10 | 26, 27,28 | Transport layer-1 |
11 | 29,30,31 | Transport layer-2 and Application layer |
12 | 32,33,34 | Application Layer-2 |
13 | 35,36,37 | IoT |
14 | 38,39,40 | SDN |
15 | break |
Prof. Bhushan Trivedi, Ph. D. is
working as the Dean, Faculty of Computer Technology (FoCT)at GLS University. He
has also acted as the dean zone-1 in Gujarat Technological University, Gujarat
for MCA. He has completed almost 3 decades in higher education, mostly as an
academician and also in some part as an administrator.
Three of his books are published by
Oxford University Press. First is on ANSI C++, second is on Computer Networks
and the third is on Data Communication and Networks. ANSI C++ enjoyed the
status of best-selling in Oxford Higher Education for four years.
Prof. Trivedi has authored two courses on EPGPathshala,
one of which on AI is repurposed a MOOC for Swayam Platform on subject “AI”. The
AI MOOC had been topped the list of all the MOOCs in terms of participation
from across India and received a special congratulations from, then UGC
Undersecretary Dr. Pankaj Mittal. His another MOOC on “Introduction to Computer
Networks and Internet Protocols” is also in top 20 MOOCs in terms of
participation.
Prof. Trivedi has guided 9 students
to their PH. D. degrees so far. He is currently supervising 6 Ph D Students. He
has authored nearly 100 research papers in reputed journals.. He has filed four
patents. Two of the patents are with the help of Industry partners while two of
them with the help of GTU Patent Department.
Prof. Trivedi’s research interests
includes pedagogy, security, intrusion detection and prevention, expert systems
and neural networks. He attended a workshop on “Effective Teaching by two
renounced professors from US, Dr Richard Felder and Dr Rebecca Brent” organized
by IUCEE in 2008. He has conducted about 23 workshops across India on
“Effective Teaching” at places like L D College of Engineering, Banasthali
University Rajasthan, Vignan University Guntur, Thyagarajar College of
Engineering Madurai, NIT Surat etc. He has conducted about 10 workshops on
research and related areas, about 8 workshops on “How to debug your network
using Wireshark and TCPDUMP”.
Prof. Trivedi has given numerous
speeches on Information Security, need for security policies and various other
subjects related to security, research and pedagogy. Prof. Trivedi has been
part of many Technical Program Committees of reputed journals and conferences.
Prof Trivedi is an active life member
of Computer Society of India, was chairman Ahmedabad Chapter in 2007. He is
part of many program and organizing committees of CSI Ahmedabad Chapter,
including position of a program chair in ComNet 2015-16 held in February 2016.
He is also a senior member of Academy of Computing Machinery (ACM).
Prof. Trivedi received an award for
the work on effective teaching by IUCEE in 2009. He is also given Chapter
Patron award by Computer Society of India in 2011.
Prof. Trivedi’s MOOCs on AI and
Introduction to Computer Networks and Internet protocols are currently
available over Swayam 2.0 Platform on alternate semesters. Both of them are
developed under the auspicious of MHRD and Government of India.
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